Polen
Viser nu Polen - Post frimærker (1860 - 2024) - 1 frimærker.
1961
Fifth Trade Union Congress
20. november VM: Ingen Arkstørrelse: 70 Design: S. Jasiński Gravering: B. Kowalska Perforeringer: 12:12½
![[Fifth Trade Union Congress, type AHC]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/AHC-s.jpg)