Polen
Visar nu: Polen - Postfrimärken (1860 - 2024) - 1 frimärken.
1987
The 100th Anniversary of the Esperanto Language
25. juli WM: Inga storlek på arket: 30 Design: Andrzej Szczepaniak Gravyr: PWPW. Perforering: 11:11½
![[The 100th Anniversary of the Esperanto Language, Typ CWQ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/CWQ-s.jpg)
