Finland Occupation of Aunus 1919 20 Penniä (Back with Expertizing Marks)

Finland · 1919 · 20 penniä

This image displays the reverse side of a 20 penniä stamp issued by Finland during its occupation of Aunus (Olonets) in 1919. It prominently features several expertizing marks, which were applied by philatelic experts to certify authenticity, though the listing notes these specific marks are known to have been forged.

Issued during the Finnish occupation of Aunus (Olonets) amidst the Russian Civil War, these provisional stamps reflect Finland's territorial ambitions in East Karelia. They served as valid postage within the occupied region.