QE II Wilding 5c ultramarine, Unitrade #341 - Printable Version

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+--- Thread: QE II Wilding 5c ultramarine, Unitrade #341 (/showthread.php?tid=230)

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QE II Wilding 5c ultramarine, Unitrade #341 - GGelinas - 18-10-2025

Found this stamps in a pile that I am sorting.  The pictures show how different from the 'normal' version.  It has a waxy look and the ink is very visible in the back of the stamps.

Any information is welcomed.  
Fake or variation?

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RE: QE II Wilding 5c ultramarine, Unitrade #341 - RICHARD - 18-10-2025

You have a 341 on the left and a 341a Booklet pane on the right The stamp on the left has major oxidation were the stamp on the right does not. It will change the color.

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RE: QE II Wilding 5c ultramarine, Unitrade #341 - GGelinas - 19-10-2025

Richard, you are right but the colours of normal 341 are as the corner piece here and nothing like the one in question. I should have pictured two 341, sorry

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RE: QE II Wilding 5c ultramarine, Unitrade #341 - Webmaster - 19-10-2025

The stamp on the left has suffered environmental/chemical damage.

Soft vinyl products of the 1960s-70s used plasticizers that bleed oils over time and react with stamp inks. The result often appears similar to aniline ink bleed-through, and the oils soaked into the paper can solidify over time to give a waxy appearance -- exactly what you are seeing.

I have seen this so many times that I am looking for it whenever I buy collections that are housed in any of these kind of plasticized vinyl products.

It is usually associated with certain cover albums of the period, but other products like coin collecting vinyl pages intended to hold "2x2" cardboard coin holders are also culprits. I have seen many collections that used those to hold multiple copies of a collector's duplicates.

Roy

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