Mistakes, errors and inaccuracies on the Czechoslovak postage stamps and other postal materials

Identification of factual errors, inaccuracies, and grammatical errors on Czechoslovak stamps and other postal materials.

03. 05. 2021

New issues, inaugurations, the most beautiful stamps

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Philatelic partners

POFIS - Postal philatelic service
EXPONET - Virtual international philatelic exhibition
Slovak Society of Olympic and Sports Collectors
Filaso.cz ...or philatelists for themselves
OLYMPSPORT - Czech Association for Olympic and Sport Philately
ZSF - Union of Slovak Philatelists