Polen
Visar nu: Polen - Postfrimärken (1860 - 2024) - 1 frimärken.
1986
Intellectuals Congress for keeping World Peace, held in Warsaw
16. januari WM: Inga storlek på arket: 50 Design: K. Śliwka Gravyr: PWPW. Perforering: 11½:11
![[Intellectuals Congress for keeping World Peace, held in Warsaw, Typ CUD]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/CUD-s.jpg)