Pologne
Montre maintenant: Pologne - Timbres-Poste (1860 - 2024) - 1 Timbres-poste.
1970
The Opening of the New Building for the Universal Postal Union in Bern, Switzerland
20. mai WM: Aucun Taille de la feuille: 30 Modèle: Henryk Chyliński Gravure: PWPW. Perforation: 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)
