We have recently uploaded George Zelwinder’s gold medal award winning exhibit on the “GROSZY” Provisional Issues of Poland 1950-1952. The “GROSZY Overprints, used for only 18 months, created a very unique part of Polish Philately. This exhibit displays all officially approved district overprints as well as small local offices that made their own creations for overprinting. This multi-frame exhibit studies all aspects of these overprints and represents over 99% of the varieties recorded. Click here to view the exhibit.
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