The 6th Meeting of the Polish United Workers' Party 1972
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1972
The 6th Meeting of the Polish United Workers' Party
April WM: None Sheetsize: 6 (1x6) Design: J. W. Brzoza Engraving: PWPW. Perforation: 11:11½
![[The 6th Meeting of the Polish United Workers' Party, type BMF1]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/BMF1-s.jpg)
