philatelia
Member
Captain Jack - my best kiloware find ever!
Posts: 3,416
What I collect: Ireland, Japan, Scandy, USA, Venezuela, Vatican, Bermuda, Austria
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Post by philatelia on Mar 18, 2024 11:37:56 GMT
Hibernian catalog has a wealth of information on Ireland definitive papers and gums tucked away in the plate block section. Some of these paper types are obvious even on used copies, some are obvious under UV. Of course, mint copies are much easier to classify. There are a few types that have significant price premiums and justify taking a look at your stamps. Here’s a sample;
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