Polen
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2021
The 100th Anniversary of the Treaty of Riga
18. mars WM: Inga storlek på arket: 12 Design: Jan Konarzewski Gravyr: PWPW. Perforering: 14
![[The 100th Anniversary of the Treaty of Riga, Typ IJO]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/IJO-s.jpg)