#Plebiscite Olsztyn Allenstein Stamps After World War I, a plebiscite was held to decide whether the Allenstein region would belong to Poland or remain with Germany. During the period leading up to the decision, these special stamps were issued under the administration of the United Nations. #German Stamps #Polish Stamps #Allenstein #Plebiscite Stamps #World War I To see my other stamps, tap ↓ #226doucan's Stamp Room Thank you for viewing. #Overseas Stamps #Foreign Stamps #Unused Stamps #Used Stamps #Souvenirs from Abroad #Miscellaneous Goods #Seals #Paper Goods #Vintage #Antique #Materials #Art #Stamps #stamp #stamps #deadcountry stamp #Coins #Banknotes #coin #banknote