Polen
Viser nu Polen - Post frimærker (1860 - 2024) - 1 frimærker.
1973
Second Congress for Polish Science in Warsaw
26. juni VM: Ingen Arkstørrelse: 30 Design: R. Dudzicki Gravering: PWPW. Perforeringer: 11¾:11½
![[Second Congress for Polish Science in Warsaw, type BRD]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/BRD-s.jpg)
