Postage stamps and postal history of Allenstein

In 1920 a

plebiscite A referendum (plural: referendums or less commonly referenda) is a direct vote by the electorate on a proposal, law, or political issue. This is in contrast to an issue being voted on by a representative. This may result in the adoption of ...

was held to determine whether the populace of the Region of Allenstein wished to remain in East Prussia and that in parts of the Region of Marienwerder to become part of that province in reconfined borders, or become part of

Poland Poland, officially the Republic of Poland, is a country in Central Europe. It is divided into 16 administrative provinces called voivodeships, covering an area of . Poland has a population of over 38 million and is the fifth-most populou ...

. In order to advertise the plebiscite, special

postage stamp A postage stamp is a small piece of paper issued by a post office, postal administration, or other authorized vendors to customers who pay postage (the cost involved in moving, insuring, or registering mail), who then affix the stamp to the f ...

s were produced by

overprint An overprint is an additional layer of text or graphics added to the face of a Postage stamp, postage or revenue stamp, postal stationery, banknote or Ticket (admission), ticket after it has been Printing, printed. Post offices most often use ...

ing German stamps and sold from 3 April. One kind of overprint read PLÉBISCITE / OLSZTYN / ALLENSTEIN, while the other read TRAITÉ / DE / VERSAILLES / ART. 94 et 95 inside an oval whose border gave the full name of the plebiscite commission. Each overprint was applied to 14 denominations ranging from 5 Pf to 3 M. The plebiscite was held on 11 July, and produced 362,209 votes (97.8%) for East Prussia and 7,980 votes (2.2%) for Poland. The stamps became invalid on 20 August. Despite the short period of use, almost all of the stamps are cheaply available both used and unused. After the

Second World War World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposi ...

, on 2 August 1945, the city became part of Poland under terms of the Potsdam Agreement) and officially renamed as

Olsztyn Olsztyn ( , ; german: Allenstein ; Old Prussian: ''Alnāsteini'' * Latin: ''Allenstenium'', ''Holstin'') is a city on the Łyna River in northern Poland. It is the capital of the Warmian-Masurian Voivodeship, and is a city with county rights. ...

. {{PostalhistoryEurope East Prussia in the interwar period Allenstein Allenstein