Polen
Viser nå: Polen - Postfrimerker (1860 - 2024) - 1 frimerker.
1998
The 100th Anniversary of the Discovery of Polonium and Radium
18. September VM: Ingen Arkstørrelse: 20 Design: Tomasz Bogusławski Gravering: PWPW. Perforering: 11:11½
![[The 100th Anniversary of the Discovery of Polonium and Radium, type DUO]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/DUO-s.jpg)
