Poland
Now showing: Poland - Postage stamps (1860 - 2024) - 1 stamps.
1966
Fifth Congress for Polish Technicians in Katowice
10. February WM: None Sheetsize: 20 Design: A. Heidrich Engraving: PWPW (Państwowa Wytwórnia Papierów Wartościowych) Perforation: 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)
