Polen
Viser nu Polen - Post frimærker (1860 - 2024) - 1 frimærker.
1966
Fifth Congress for Polish Technicians in Katowice
10. februar VM: Ingen Arkstørrelse: 20 Design: A. Heidrich Gravering: PWPW (Państwowa Wytwórnia Papierów Wartościowych) Perforeringer: 11
![[Fifth Congress for Polish Technicians in Katowice, type ATX]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/ATX-s.jpg)
![[Fifth Congress for Polish Technicians in Katowice, type ATY]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/ATY-s.jpg)
