Poola
Praegu kuvatakse: Poola - postmargid (1860 - 2024) - 1 margid.
1970
The Opening of the New Building for the Universal Postal Union in Bern, Switzerland
20. mai WM: mitte ükski lehe suurus: 30 Disain: Henryk Chyliński Gravüür: PWPW. perforatsioon: 11¾:11½
![[The Opening of the New Building for the Universal Postal Union in Bern, Switzerland, Tüüp BHN]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/BHN-s.jpg)
