Discussion - Member to Member Sales - Research Center
Discussion - Member to Member Sales - Research Center
What is the name of this type of problem?
Why is it happening?
See here two stamps. The stamps are MNH with full gum.
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The darker, toned paper happened when the stamp was lying against acidic paper. Some older manila stock sheets have acidic stock, and will do this to stamps.
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08:38:41pm
" ... What is the name of this type of problem? ..."
"TSGP." The two shaded gum problem , perhaps?
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"The darker, toned paper happened when the stamp was lying against acidic paper. Some older manila stock sheets have acidic stock, and will do this to stamps."
That's right.
Those stamps most likely have been in a non-acid-free stock book for years and years and never been opened.
You can see exactly where the edge of the glassine strip has been by the discoloration.
P.S.
This is common at stamps from the tropics.
Had a lot of stamps from the early period of Indonesia and all the same issue.
Will look for a picture tonight of such indonesian stamps.
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I have played with the colours with this last one because I was afraid you could not see the lines of the gum
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Another example :
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07:43:40pm
Few times I came across stamps with two shade of colors of the gum.
What is the name of this type of problem?
Why is it happening?
See here two stamps. The stamps are MNH with full gum.
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this post
08:02:28pm
re: Gum problem and why
The darker, toned paper happened when the stamp was lying against acidic paper. Some older manila stock sheets have acidic stock, and will do this to stamps.
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Silence in the face of adversity is the father of complicity and collusion, the first cousins of conspiracy..
08 Jun 2021
08:38:41pm
re: Gum problem and why
" ... What is the name of this type of problem? ..."
"TSGP." The two shaded gum problem , perhaps?
Login to Like
this post
re: Gum problem and why
"The darker, toned paper happened when the stamp was lying against acidic paper. Some older manila stock sheets have acidic stock, and will do this to stamps."
That's right.
Those stamps most likely have been in a non-acid-free stock book for years and years and never been opened.
You can see exactly where the edge of the glassine strip has been by the discoloration.
P.S.
This is common at stamps from the tropics.
Had a lot of stamps from the early period of Indonesia and all the same issue.
Will look for a picture tonight of such indonesian stamps.
Login to Like
this post
re: Gum problem and why
I have played with the colours with this last one because I was afraid you could not see the lines of the gum
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this post