Polen
Viser nu Polen - Post frimærker (1860 - 2024) - 1 frimærker.
1971
The 6th Polish Congress for Technicians
2. september VM: Ingen Arkstørrelse: 30 Design: Henryk Chyliński Gravering: PWPW. Perforeringer: 11½:11
![[The 6th Polish Congress for Technicians, type BLD]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/BLD-s.jpg)
