The 25th Anniversary of the Polish United Workers' Party 1973
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1973
The 25th Anniversary of the Polish United Workers' Party
15. December WM: None Sheetsize: 50 Design: K. Śliwka Engraving: PWPW. Perforation: 11¼
![[The 25th Anniversary of the Polish United Workers' Party, type BSJ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/BSJ-s.jpg)
