You also have the option to opt-out of these cookies. Again using a magnifying glass, check the tips of the perforation. It has been said that stamp gum, in its never-hinged state, is the most valuable substance on Earth. Here, 70,000-year-old stone segments that were once inserted in axe hafts were discovered covered with an adhesive composed of plant gum and red ochre (natural iron oxide) as adding ochre to plant gum produces a stronger product and protects the gum from disintegrating under wet conditions. For this reason, there is a growing movement among collectors to abstain from the practice of collecting never-hinged stamp, even to the point of collecting stamps with no gum. Pressure-sensitive adhesives are manufactured with either a liquid carrier or in 100% solid form. Prior to Decimalisation in 1971, Gum Arabic was used on all Irish issues., but from 1968 PVA was gradually introduced to replace Gum Arabic. Copyright 2005 - 2022 Stamp Community Family - All rights reserved worldwide. For example, blends of PVA and polyvinyl acetate, as well as blends of dextrin and polyvinyl acetate, have been used. Starchy plant materials such as corn, potato, tapioca, sago, and wheat can be used to make adhesives. In later years, other issues were produced in the self-adhesive format. 
Natural rubber-based sticky adhesives were first used on a backing by Henry Day (U.S. Patent 3,965) in 1845. In 1876, the first US patent (number 183,024) was issued to the Ross brothers for the production of casein glue. It can make a diffence to the value of a stamp though. Perforations are made before the gum is applied to regummed stamps. 
It is a white gum of dull or matte appearance. Is This Yt:fr 730e, An Error, Or Nothing At All? Stamp collectorscriticized the format, as therubber baseadhesiveused tended to progressively yellow the stamps. In a small bowl, mix together the unflavored gelatin with one teaspoon of either cold water or fruit juice. If you cant get it all to dissolve, you may have to heat up the mixture over a double boiler or in the microwave. 
Thus the PVA is described as being with both dull gum and shiny gum, such as the 2 1/2p stamps of the decimal watermarked issue (Early Irish Art, 1968-69). Set aside to dry. For the stamps of Ireland, all four of these adhesives have been used at various times. A 1965 British study of the transmission of bacteria and viruses on gummed paper found that Although pathogenic bacteria and viruses were not isolated from sample envelopes obtained from various sources, the gums used in manufacture were found to exert a protective effect against death from desiccation on the bacteria and viruses which had been introduced into them and it was possible to demonstrate bacterial multiplication in the gum used for the manufacture of postage stamps. The authors added the warning that postage stamps are often handled very carelessly when issued over the counter, and yet the purchaser will usually lick them without hesitation. If the adhesive has pooled at the edges near the perforation, the likelihood is that this is no longer the original gum (because the original sheets of stamps would have been gummed before perforation took place). (You dont need to heat it much, just enough to help dissolve the gelatin.). The ability to produce stronger adhesives allowed middle stone age humans to attach stone segments to sticks in greater variations, which led to the development of new tools. German stamps from 1921 had a pattern of wavy lines while Czech stamps from 1923 had gum showing the initials of the Czech Republic,CSP. 
The earliest human use of adhesive-like substances was approximately 200,000 years ago. 
Required fields are marked *. Lick & stick, of course! If you continue to use this site we will assume that you are happy with it. These cookies will be stored in your browser only with your consent. If they appear stiff, this may be because the gum was applied after the stamp was detached. Save my name, email, and website in this browser for the next time I comment. They also madedie cuttinginto fanciful and unique shapes easier. Some gum is over-sensitive and can cause mint stamps to stick to each other if stacked prior to mounting in an album. removing the old damaged adhesive and applying a new coat. 
The gum is universally spread as uniformly as possible. From then until the 1900s increases in adhesive use and discovery were relatively gradual. I used a spatula to get as much of it out of the pan and into a small container as I could. I think the OP is making pictures out of stamps and in order to preserve them is putting decoupage glue over them. What Did You Do Philatelically: Today Or Recently? Are you interested in the postal history of Ireland? By clicking Accept All, you consent to the use of ALL the cookies. 
The Greeks and Romans made great contributions to the development of adhesives. At the time, he wrotethat hisprepaid postage adhesive would be covered at the back with a glutinous wash.This led to his invention of stamp gum in 1837; thefirst postage stamps used starch-based adhesives when issued in 1840. The photo (500X magnification) shows a cracked adhesive layer and the underlying layers of cellulose of the stamp paper. Hinges may also turn brown with age causing discoloration to the stamps. Click through for information on the benefits of membership and how to join. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[336,280],'kylonpowell_com-medrectangle-4','ezslot_12',110,'0','0'])};if(typeof __ez_fad_position != 'undefined'){__ez_fad_position('div-gpt-ad-kylonpowell_com-medrectangle-4-0')};In order to create stamps, ink is first applied to a sheet of paper before being gummed and perforated. 
Corn is the primary ingredient in the glue. The following decades of the next century witnessed the manufacture of casein glues in German and Swiss factories. We have quite the sticky subject today that concerning all that is used to adhere stamps to covers or cards. In some cases the gum solves the problem itself by becoming crackly when it dries. Synthetic adhesives were then introduced, one of which is polyvinyl alcohol (or PVA). Cookie Policy. Thanks for all the info guys!I have already looked deep into the options and they seem to be just what ill need, will also be posting the finished product soon! Rowland Hillcame up a solution of prepayment. Help To Identify This 12c 1861 Issue On Semi-Transparent Paper With Gum. This glue would also be perfect for sealing up homemade envelopes! It is rarely of use in differentiating between common and rare stamps, and being on the back of the stamp it is not usually visible. Soaking in water had no effect, so collectors were left with no option but to retain the envelope, or at least the part bearing the stamp. In philately, gum is the substance applied to the back of a stamp to enable it to adhere to a letter or other mailed item. By 1925, the pressure-sensitive tape industry was born. Gum on stamps does have a number of disadvantages. Gum is often referred to as an adhesive; a substance which causes adhesion. Id suggest using either a pastry brush or a paintbrush that you have reserved only for use with food. Before postage stamps existed, people receiving letters would have to pay for them. Thanks Peter and KGB - certainly would like to see a "stamp decoupage" as the You Tube is not specific, Well, the word to use in French is not "dcoupage" but "collage" A dcoupage from the word "coupage" is cutting an image in small parts and gluing those pieces in a different orders. Brushing your teeth, on the other hand, burns twelve calories. 2022 Philatelic Pursuits | Muang Phuket, Thailand | philatelicpursuits@ gmail.com. 
Types of gum used on stamps include: dextrin, produced by heatingstarch Whilst certainly easy to use by those posting a letter, it is not well-liked by collectors. These cookies do not store any personal information. This means that old unused stamps are inevitably under suspicion of having been regummed, and the detection ofregummed stampsis an important part ofphilatelic expertization. We left ours alone overnight. Today, sticky notes,Scotch tape, and other tapes are examples of PSA (pressure-sensitive adhesives). It may crack, curl, become glazed and brittle, discolor, eat into the paper, attract vermin, stain and possibly harm the paper of the stamp itself, possibly even destroying the stamp over time. 100% solid PSAs may be lowviscositypolymers that are coated and then reacted with radiation to increase molecular weight and form the adhesive (radiation cured PSA); or they may be high-viscosity materials that are heated to reduce viscosity enough to allow coating, and then cooled to their final form (hot melt PSA, HMPSA). After cutting a few stamps out, I remembered that I have a paper cutter that cuts little slits in the paper, and used it to perforate along the stamp lines to make more authentic stamps. This category only includes cookies that ensures basic functionalities and security features of the website. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[728,90],'kylonpowell_com-box-2','ezslot_9',101,'0','0'])};if(typeof __ez_fad_position != 'undefined'){__ez_fad_position('div-gpt-ad-kylonpowell_com-box-2-0')};Gum arabic (also known as acacia gum) is made from the sap of the acacia tree. Unfortunately this gum suffered from some disadvantages. A mixture of polyvinyl acetate and dextrin gum is used on most ready-stamped stationery, with the exception of aerogrammes, which use a polyvinyl acetate and polyvinyl alcohol gum blend. Another way of identification is by comparison - if you know what the gum should look like, and that of the suspect stamp appears different, this could be an indication that the stamp has been doctored. Making an Easy, Basic Beginner Soap, and Then Making it Fun!! Easy DIY Hair Conditioner for Natural Hair. Used as a stabilizer and thickener in foods, its main nonfood uses are in the formulation of inks and adhesives. More Info On This Revenue (I Assume) Cancel? You cant invalidate the postage if you apply your stamps securely but dont put any tape over them. never hinged, with full original gum, you should make sure it has been authenticated first. Computers, Electronic Devices, Software, Information Technology, And Internet On Stamps. There are specialized adhesive stamps that have this inscription on the front that are commonly used for insurance, notarial, share transfer, and other things of the sort. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. You can get an archival mix. This is a natural adhesive made from the sap of an Acacia tree, and not, as is sometimes thought, from horses' hooves. The USPS has been experimenting with no-lick stamps since 1974, but the stamps were of poor quality and often came with a surcharge. They are willing to pay a premium for stamps on which the gum has never been disturbed. The payment was based on how many papers were in the envelope and how far the letter had traveled. The first use of compound adhesives was discovered in Sibudu, South Africa. These Special Adhesive stamps can be used for other purposes if the State Stamp Act specifically allows it. More recent USPS self-adhesive stamps are not readily removable from the envelope or cover backing by traditional water soaking. Some stamps were mistakenly gummed on the printed side. Do you collect the stamps of Ireland? Nice pics - Thanks redwoodrandy !.and I know the meaning of decoupage (in French) -. 
Portable, Foldable Chalkboard Heart The Perfect Valentine! 
Add the hot water to the gelatin mixture and stir constantly until the gelatin dissolves. On Swiss stamps of the 1930s,Courvoisierused a gum-breaking machine that pressed a pattern of small squares into the gum, resulting in so-calledgrilled gum. Remains of the hinge can be easily removed from the stamp without causing any harm. Gum Arabic is a direct exudate from the acacia tree found in various tropical areas. Allow the gelatin to bloom (swell and absorb the liquid). It is mandatory to procure user consent prior to running these cookies on your website. Paint the entire back of your sheet(s) of stamps with your gelatin glue. Short of soaking the gum from your stamps, the next best thing you can do is protect them by proper storage in albums or stock books and by not subjecting them to high humidity, sunlight or swings in temperature. I feel like it is safe - my decoupage does not have the brown streaks. 237c Join On Stamps Is It Done By The Post Office ? Many collectors are only interested in owning stamps in the pristine, mint, state in which they were originally sold at the post office. 
The PVA after 1970 appears both clear and matte and often quite transparent on the one hand, and with yellowish additive in varying concentrations on the other hand. If yourchild is old enough, its great practice to have them cut the stamps with your supervision! This is a formulation of PVA, I believe. Heavily-hinged stamps may have been hinged badly or hinged more than once and may have a large area of missing gum and/or multiple hinge remnants. 
The term is generic, and applies to both the traditional types such as gum Arabic and to synthetic modern formulations. If you intend buying an old stamp as "mint" i.e. It has been observed that current self adhesive stamps are much more difficult to remove from envelopes. Die cutting tools for the UK self-adhesive stamps were manufactured by Arden Dies of Stockport, Cheshire, using tools designed by Robert Clapham. Poly vinyl acetate, aka PVA. Any stamp that has had new gum applied to the back in order to increase its value is known as a regummed stamp in philately. Self-adhesives for stampsare made from liquid PSAs by coating the adhesive on a support and evaporating theorganic solventor water carrier, usually in a hot air dryer. Originally, gumming took place after printing and before perforation, usually because the paper had to be damp for printing to work well, but in modern times most stamp printing is done dry on pre-gummed paper. There have been a couple of historical instances where stamps were regummed after being perforated, but these were unusual situations. Is This Yt:721(A) "meches Reliees" (Bound Locks)? TheUnited States Postal Services first foray into self-adhesive stamps was in 1974 with the 10-cent Dove Weather Vane (Scott #1552), produced byAvery Dennison, that soon became discolored due to the instability of the adhesive. TheBritish Post Officefirst issued self-adhesive stamps on October 19, 1993, with the introduction of books of 20 First Class stamps, later a 2nd class stamp was introduced. Up until the late 1960's the type of adhesive used on stamps was "gum arabic". Because of the moisture in the air, the paper of the stamp slightly expands against the more resilient adhesive in high humidity, causing the stamp to curl. If one goes to this site, they'll find the article "Postage Stamp Collage Art" by Russ Hahn which appeared in the December 2012 American Philatelist. Your email address will not be published. The advantage of this synthetic type is that in warmer climates the stamps do not curl, and sheets are less likely to stick to one another. In addition, licking an envelope contains 3-5 calories, according to some sources. Either print out a sheet of fun postage stamps or make your own by drawing a grid and making small drawings within the grid marks. PressureSensitive Adhesive is a rubber base adhesive that does not require moistening to adhere to paper. In 1906, trouble had constantly arisen due to the gum on the under face of the stamps. An expert in gum will know this. For investment purposes there is nothing like the never hinged stamp with full gum. 
How long does it take for trees to grow back? But opting out of some of these cookies may affect your browsing experience. For collectors, gum is mostly a problem. In the most extreme cases, the stamp will spontaneously roll up into a small tube. 
Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. Is Arm And Hammer Cat Litter Deodorizer Safe. Free printable stamps for Valentines Day, Easter, Mothers Day, Halloween, and Christmas can be found below this recipe card at https://thethingswellmake.com/fun-make-gelatin-stamps/. The pressure sensitive adhesive has been especially formulated to allow stamps to be washed off paper, without damage, after submersion in warm water. The stamps will be destroyed, but the paper will be flattened and not discolored by the glue. This website uses cookies to improve your experience while you navigate through the website. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'kylonpowell_com-banner-1','ezslot_10',109,'0','0'])};if(typeof __ez_fad_position != 'undefined'){__ez_fad_position('div-gpt-ad-kylonpowell_com-banner-1-0')};PVA stands for polyvinyl acetate. Use of any images or content on this website without prior written permission of Stamp Community or the original lender is strictly prohibited. This type is almost invisible, so a yellowish colourant was added in order to make it possible to see whether or not the adhesive had been applied. Your email address will not be published. In tropical climates not only did it cause stamps to curl up, but sheets tended to stick together. And of course, this has meant that some unscrupulous individuals have taken to re-gumming early stamps i.e. 
The gum is not greatly disturbed. The birch-bark-tar adhesive is a simple, one-component adhesive. If the answer is yes, why not join our association, Americas premiere Irish philatelic group. When a sheet of stamps is printed, the plate number is printed on each stamp in a plate block (PB). I often have stamps where the glue has coloured or dyed the stamp ruining the stamp image, and would like to know if anyone has experience with this? The gum exhibits some texture or grain, as is shown in this SEM photograph at 1000X magnification. Another scheme has been to slice the gum with knives after it has been applied. Later, these kinds of adhesives were used in cloth backed surgical and electric tapes. The first U.S. patent (number 61,991) on dextrin (a starch derivative) adhesive was issued in 1867. Lions Clubs International Stamps, Souvenir Sheets, Maximum Cards, Etc. Other than mint stamps with full original gum, stamps are also described as lightly-hinged (LH) which show a slight mark where the stamp hinge was once attached. The episode has been linked anecdotally to an increase in worries about the health risks of licking gummed paper and it has been speculated that it may have contributed to the growing popularity of self-adhesive stamps, at least in the United States. Stamps have also been issued without any adhesive at all and were affixed to envelopes by glue or other means. 
Some collectors of used stamps have discovered that although not readily removable by water, the self-adhesives can be removed with Bestine (a hexane solvent), Benzine (Petroleum Ether), or a natural based citrus solvent containing d-limonene (e.g., Pure Citrus Orange is an air freshener product that works for this purpose). The first self-adhesive stamps had insoluble gum. Some stamps have had gum applied in a pattern resembling awatermark, presumably as an additional security device. General Philatelic Discussions (Non Country Specific), Philatelic Book, Reference, Supply and Software, http://stamps.org/userfiles/file/APre_12_12.pdf, The Frustrations Of Color - The German Krone/Adler Browns, References To Stamp Collectors From Movies. 
No doubt the formulation has changed over the years. This is clearly shown in the scanning electron photomicrograph (SEM) shown below. 
Natural rubber-based sticky adhesives were first used on a backing by Henry Day (U.S. Patent 3,965) in 1845. In 1876, the first US patent (number 183,024) was issued to the Ross brothers for the production of casein glue. It can make a diffence to the value of a stamp though. Perforations are made before the gum is applied to regummed stamps. It is a white gum of dull or matte appearance. Is This Yt:fr 730e, An Error, Or Nothing At All? Stamp collectorscriticized the format, as therubber baseadhesiveused tended to progressively yellow the stamps. In a small bowl, mix together the unflavored gelatin with one teaspoon of either cold water or fruit juice. If you cant get it all to dissolve, you may have to heat up the mixture over a double boiler or in the microwave. Thus the PVA is described as being with both dull gum and shiny gum, such as the 2 1/2p stamps of the decimal watermarked issue (Early Irish Art, 1968-69). Set aside to dry. For the stamps of Ireland, all four of these adhesives have been used at various times. A 1965 British study of the transmission of bacteria and viruses on gummed paper found that Although pathogenic bacteria and viruses were not isolated from sample envelopes obtained from various sources, the gums used in manufacture were found to exert a protective effect against death from desiccation on the bacteria and viruses which had been introduced into them and it was possible to demonstrate bacterial multiplication in the gum used for the manufacture of postage stamps. The authors added the warning that postage stamps are often handled very carelessly when issued over the counter, and yet the purchaser will usually lick them without hesitation. If the adhesive has pooled at the edges near the perforation, the likelihood is that this is no longer the original gum (because the original sheets of stamps would have been gummed before perforation took place). (You dont need to heat it much, just enough to help dissolve the gelatin.). The ability to produce stronger adhesives allowed middle stone age humans to attach stone segments to sticks in greater variations, which led to the development of new tools. German stamps from 1921 had a pattern of wavy lines while Czech stamps from 1923 had gum showing the initials of the Czech Republic,CSP. The earliest human use of adhesive-like substances was approximately 200,000 years ago. Required fields are marked *. Lick & stick, of course! If you continue to use this site we will assume that you are happy with it. These cookies will be stored in your browser only with your consent. If they appear stiff, this may be because the gum was applied after the stamp was detached. Save my name, email, and website in this browser for the next time I comment. They also madedie cuttinginto fanciful and unique shapes easier. Some gum is over-sensitive and can cause mint stamps to stick to each other if stacked prior to mounting in an album. removing the old damaged adhesive and applying a new coat. The gum is universally spread as uniformly as possible. From then until the 1900s increases in adhesive use and discovery were relatively gradual. I used a spatula to get as much of it out of the pan and into a small container as I could. I think the OP is making pictures out of stamps and in order to preserve them is putting decoupage glue over them. What Did You Do Philatelically: Today Or Recently? Are you interested in the postal history of Ireland? By clicking Accept All, you consent to the use of ALL the cookies. The Greeks and Romans made great contributions to the development of adhesives. At the time, he wrotethat hisprepaid postage adhesive would be covered at the back with a glutinous wash.This led to his invention of stamp gum in 1837; thefirst postage stamps used starch-based adhesives when issued in 1840. The photo (500X magnification) shows a cracked adhesive layer and the underlying layers of cellulose of the stamp paper. Hinges may also turn brown with age causing discoloration to the stamps. Click through for information on the benefits of membership and how to join. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[336,280],'kylonpowell_com-medrectangle-4','ezslot_12',110,'0','0'])};if(typeof __ez_fad_position != 'undefined'){__ez_fad_position('div-gpt-ad-kylonpowell_com-medrectangle-4-0')};In order to create stamps, ink is first applied to a sheet of paper before being gummed and perforated. Corn is the primary ingredient in the glue. The following decades of the next century witnessed the manufacture of casein glues in German and Swiss factories. We have quite the sticky subject today that concerning all that is used to adhere stamps to covers or cards. In some cases the gum solves the problem itself by becoming crackly when it dries. Synthetic adhesives were then introduced, one of which is polyvinyl alcohol (or PVA). Cookie Policy. Thanks for all the info guys!I have already looked deep into the options and they seem to be just what ill need, will also be posting the finished product soon! Rowland Hillcame up a solution of prepayment. Help To Identify This 12c 1861 Issue On Semi-Transparent Paper With Gum. This glue would also be perfect for sealing up homemade envelopes! It is rarely of use in differentiating between common and rare stamps, and being on the back of the stamp it is not usually visible. Soaking in water had no effect, so collectors were left with no option but to retain the envelope, or at least the part bearing the stamp. In philately, gum is the substance applied to the back of a stamp to enable it to adhere to a letter or other mailed item. By 1925, the pressure-sensitive tape industry was born. Gum on stamps does have a number of disadvantages. Gum is often referred to as an adhesive; a substance which causes adhesion. Id suggest using either a pastry brush or a paintbrush that you have reserved only for use with food. Before postage stamps existed, people receiving letters would have to pay for them. Thanks Peter and KGB - certainly would like to see a "stamp decoupage" as the You Tube is not specific, Well, the word to use in French is not "dcoupage" but "collage" A dcoupage from the word "coupage" is cutting an image in small parts and gluing those pieces in a different orders. Brushing your teeth, on the other hand, burns twelve calories. 2022 Philatelic Pursuits | Muang Phuket, Thailand | philatelicpursuits@ gmail.com. Types of gum used on stamps include: dextrin, produced by heatingstarch Whilst certainly easy to use by those posting a letter, it is not well-liked by collectors. These cookies do not store any personal information. This means that old unused stamps are inevitably under suspicion of having been regummed, and the detection ofregummed stampsis an important part ofphilatelic expertization. We left ours alone overnight. Today, sticky notes,Scotch tape, and other tapes are examples of PSA (pressure-sensitive adhesives). It may crack, curl, become glazed and brittle, discolor, eat into the paper, attract vermin, stain and possibly harm the paper of the stamp itself, possibly even destroying the stamp over time. 100% solid PSAs may be lowviscositypolymers that are coated and then reacted with radiation to increase molecular weight and form the adhesive (radiation cured PSA); or they may be high-viscosity materials that are heated to reduce viscosity enough to allow coating, and then cooled to their final form (hot melt PSA, HMPSA). After cutting a few stamps out, I remembered that I have a paper cutter that cuts little slits in the paper, and used it to perforate along the stamp lines to make more authentic stamps. This category only includes cookies that ensures basic functionalities and security features of the website. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[728,90],'kylonpowell_com-box-2','ezslot_9',101,'0','0'])};if(typeof __ez_fad_position != 'undefined'){__ez_fad_position('div-gpt-ad-kylonpowell_com-box-2-0')};Gum arabic (also known as acacia gum) is made from the sap of the acacia tree. Unfortunately this gum suffered from some disadvantages. A mixture of polyvinyl acetate and dextrin gum is used on most ready-stamped stationery, with the exception of aerogrammes, which use a polyvinyl acetate and polyvinyl alcohol gum blend. Another way of identification is by comparison - if you know what the gum should look like, and that of the suspect stamp appears different, this could be an indication that the stamp has been doctored. Making an Easy, Basic Beginner Soap, and Then Making it Fun!! Easy DIY Hair Conditioner for Natural Hair. Used as a stabilizer and thickener in foods, its main nonfood uses are in the formulation of inks and adhesives. More Info On This Revenue (I Assume) Cancel? You cant invalidate the postage if you apply your stamps securely but dont put any tape over them. never hinged, with full original gum, you should make sure it has been authenticated first. Computers, Electronic Devices, Software, Information Technology, And Internet On Stamps. There are specialized adhesive stamps that have this inscription on the front that are commonly used for insurance, notarial, share transfer, and other things of the sort. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. You can get an archival mix. This is a natural adhesive made from the sap of an Acacia tree, and not, as is sometimes thought, from horses' hooves. The USPS has been experimenting with no-lick stamps since 1974, but the stamps were of poor quality and often came with a surcharge. They are willing to pay a premium for stamps on which the gum has never been disturbed. The payment was based on how many papers were in the envelope and how far the letter had traveled. The first use of compound adhesives was discovered in Sibudu, South Africa. These Special Adhesive stamps can be used for other purposes if the State Stamp Act specifically allows it. More recent USPS self-adhesive stamps are not readily removable from the envelope or cover backing by traditional water soaking. Some stamps were mistakenly gummed on the printed side. Do you collect the stamps of Ireland? Nice pics - Thanks redwoodrandy !.and I know the meaning of decoupage (in French) -. Portable, Foldable Chalkboard Heart The Perfect Valentine! Add the hot water to the gelatin mixture and stir constantly until the gelatin dissolves. On Swiss stamps of the 1930s,Courvoisierused a gum-breaking machine that pressed a pattern of small squares into the gum, resulting in so-calledgrilled gum. Remains of the hinge can be easily removed from the stamp without causing any harm. Gum Arabic is a direct exudate from the acacia tree found in various tropical areas. Allow the gelatin to bloom (swell and absorb the liquid). It is mandatory to procure user consent prior to running these cookies on your website. Paint the entire back of your sheet(s) of stamps with your gelatin glue. Short of soaking the gum from your stamps, the next best thing you can do is protect them by proper storage in albums or stock books and by not subjecting them to high humidity, sunlight or swings in temperature. I feel like it is safe - my decoupage does not have the brown streaks. 237c Join On Stamps Is It Done By The Post Office ? Many collectors are only interested in owning stamps in the pristine, mint, state in which they were originally sold at the post office. The PVA after 1970 appears both clear and matte and often quite transparent on the one hand, and with yellowish additive in varying concentrations on the other hand. If yourchild is old enough, its great practice to have them cut the stamps with your supervision! This is a formulation of PVA, I believe. Heavily-hinged stamps may have been hinged badly or hinged more than once and may have a large area of missing gum and/or multiple hinge remnants. The term is generic, and applies to both the traditional types such as gum Arabic and to synthetic modern formulations. If you intend buying an old stamp as "mint" i.e. It has been observed that current self adhesive stamps are much more difficult to remove from envelopes. Die cutting tools for the UK self-adhesive stamps were manufactured by Arden Dies of Stockport, Cheshire, using tools designed by Robert Clapham. Poly vinyl acetate, aka PVA. Any stamp that has had new gum applied to the back in order to increase its value is known as a regummed stamp in philately. Self-adhesives for stampsare made from liquid PSAs by coating the adhesive on a support and evaporating theorganic solventor water carrier, usually in a hot air dryer. Originally, gumming took place after printing and before perforation, usually because the paper had to be damp for printing to work well, but in modern times most stamp printing is done dry on pre-gummed paper. There have been a couple of historical instances where stamps were regummed after being perforated, but these were unusual situations. Is This Yt:721(A) "meches Reliees" (Bound Locks)? TheUnited States Postal Services first foray into self-adhesive stamps was in 1974 with the 10-cent Dove Weather Vane (Scott #1552), produced byAvery Dennison, that soon became discolored due to the instability of the adhesive. TheBritish Post Officefirst issued self-adhesive stamps on October 19, 1993, with the introduction of books of 20 First Class stamps, later a 2nd class stamp was introduced. Up until the late 1960's the type of adhesive used on stamps was "gum arabic". Because of the moisture in the air, the paper of the stamp slightly expands against the more resilient adhesive in high humidity, causing the stamp to curl. If one goes to this site, they'll find the article "Postage Stamp Collage Art" by Russ Hahn which appeared in the December 2012 American Philatelist. Your email address will not be published. The advantage of this synthetic type is that in warmer climates the stamps do not curl, and sheets are less likely to stick to one another. In addition, licking an envelope contains 3-5 calories, according to some sources. Either print out a sheet of fun postage stamps or make your own by drawing a grid and making small drawings within the grid marks. PressureSensitive Adhesive is a rubber base adhesive that does not require moistening to adhere to paper. In 1906, trouble had constantly arisen due to the gum on the under face of the stamps. An expert in gum will know this. For investment purposes there is nothing like the never hinged stamp with full gum. How long does it take for trees to grow back? But opting out of some of these cookies may affect your browsing experience. For collectors, gum is mostly a problem. In the most extreme cases, the stamp will spontaneously roll up into a small tube. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. Is Arm And Hammer Cat Litter Deodorizer Safe. Free printable stamps for Valentines Day, Easter, Mothers Day, Halloween, and Christmas can be found below this recipe card at https://thethingswellmake.com/fun-make-gelatin-stamps/. The pressure sensitive adhesive has been especially formulated to allow stamps to be washed off paper, without damage, after submersion in warm water. The stamps will be destroyed, but the paper will be flattened and not discolored by the glue. This website uses cookies to improve your experience while you navigate through the website. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'kylonpowell_com-banner-1','ezslot_10',109,'0','0'])};if(typeof __ez_fad_position != 'undefined'){__ez_fad_position('div-gpt-ad-kylonpowell_com-banner-1-0')};PVA stands for polyvinyl acetate. Use of any images or content on this website without prior written permission of Stamp Community or the original lender is strictly prohibited. This type is almost invisible, so a yellowish colourant was added in order to make it possible to see whether or not the adhesive had been applied. Your email address will not be published. In tropical climates not only did it cause stamps to curl up, but sheets tended to stick together. And of course, this has meant that some unscrupulous individuals have taken to re-gumming early stamps i.e. The gum is not greatly disturbed. The birch-bark-tar adhesive is a simple, one-component adhesive. If the answer is yes, why not join our association, Americas premiere Irish philatelic group. When a sheet of stamps is printed, the plate number is printed on each stamp in a plate block (PB). I often have stamps where the glue has coloured or dyed the stamp ruining the stamp image, and would like to know if anyone has experience with this? The gum exhibits some texture or grain, as is shown in this SEM photograph at 1000X magnification. Another scheme has been to slice the gum with knives after it has been applied. Later, these kinds of adhesives were used in cloth backed surgical and electric tapes. The first U.S. patent (number 61,991) on dextrin (a starch derivative) adhesive was issued in 1867. Lions Clubs International Stamps, Souvenir Sheets, Maximum Cards, Etc. Other than mint stamps with full original gum, stamps are also described as lightly-hinged (LH) which show a slight mark where the stamp hinge was once attached. The episode has been linked anecdotally to an increase in worries about the health risks of licking gummed paper and it has been speculated that it may have contributed to the growing popularity of self-adhesive stamps, at least in the United States. Stamps have also been issued without any adhesive at all and were affixed to envelopes by glue or other means. Some collectors of used stamps have discovered that although not readily removable by water, the self-adhesives can be removed with Bestine (a hexane solvent), Benzine (Petroleum Ether), or a natural based citrus solvent containing d-limonene (e.g., Pure Citrus Orange is an air freshener product that works for this purpose). The first self-adhesive stamps had insoluble gum. Some stamps have had gum applied in a pattern resembling awatermark, presumably as an additional security device. General Philatelic Discussions (Non Country Specific), Philatelic Book, Reference, Supply and Software, http://stamps.org/userfiles/file/APre_12_12.pdf, The Frustrations Of Color - The German Krone/Adler Browns, References To Stamp Collectors From Movies. No doubt the formulation has changed over the years. This is clearly shown in the scanning electron photomicrograph (SEM) shown below.