American Topical Association National Topical Stamp Show:
"The American Topical Association is composed of members who specialize in thematic or topical philatelic collecting. Those who share a specific topic band together to form "study units." These units promote their specific topic and encourage research on that topic."
'via Blog this'
"150 Years of the UPU 1874-2024" stamp on cover from Slovakia
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*Timbre "150 ans de l'UPU 1874-2024" sur lettre de Slovaquie *
En 2024, l*'Union Postale Universelle (UPU)* célèbre son 150ème
anniversaire. Le 9 octobre...
10 hours ago
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