Polen
Viser nå: Polen - Postfrimerker (1860 - 2024) - 1 frimerker.
1970
The Opening of the New Building for the Universal Postal Union in Bern, Switzerland
20. May VM: Ingen Arkstørrelse: 30 Design: Henryk Chyliński Gravering: PWPW. Perforering: 11¾:11½
![[The Opening of the New Building for the Universal Postal Union in Bern, Switzerland, type BHN]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/BHN-s.jpg)
