Polen
Visar nu: Polen - Postfrimärken (1860 - 2024) - 1 frimärken.
1998
The 100th Anniversary of the Discovery of Polonium and Radium
18. september WM: Inga storlek på arket: 20 Design: Tomasz Bogusławski Gravyr: PWPW. Perforering: 11:11½
![[The 100th Anniversary of the Discovery of Polonium and Radium, Typ DUO]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/DUO-s.jpg)
