The Opening of the New Building for the Universal Postal Union in Bern, Switzerland 1970
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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://www.stampworld.com/media/catalogue/Poland/Postage-stamps/BHN-s.jpg)
