Allenstein

Allenstein was a small border region between Germany and Poland. In 1920, a plebiscite was set for its inhabitants to vote for annexation by one or the other. German Germania issues and the related higher definitives were overprinted in two styles to publicize the vote.
 * One overprint read PLÉBISCITE / OLSZSTYN / ALLENSTEIN
 * The other was an oval reading TRAITE / DE / VERSAILLES / ART. 94e 195 / COMMISSION D'ADMINISTRATION DE PLÉBISCITE / OLSZTYN ALLENSTEIN.
 * In July 1920, Allenstein was annexed by Germany.

 File:Allenstein plebiscite.jpg|The two 15pf major shades. File:Allenstein Ortelsburg cxl.jpg|Ortelsburg cancel. File:Allenstein oval A.webp|The oval overprint. 

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