Poland
Now showing: Poland - Postage stamps (1860 - 2024) - 1 stamps.
1958
International Geophysical Year
30. September WM: None Sheetsize: 70 Design: S. Jasiński Perforation: 12½
![[International Geophysical Year, type ZD]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/ZD-s.jpg)
![[International Geophysical Year, type ZE]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/ZE-s.jpg)
