The 100th Anniversary of the Universal Postal Union 1974
Now showing: Poland - Postage stamps - 1974 - The 100th Anniversary of the Universal Postal Union - 1 stamps.
1974
The 100th Anniversary of the Universal Postal Union
30. March WM: None Sheetsize: 100 Design: T. Michaluk Engraving: PWPW. Perforation: 11½:11¾
![[The 100th Anniversary of the Universal Postal Union, type BTC]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/BTC-s.jpg)
