The 25th Anniversary of Postage Stamps of the United Nations 1976
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1976
The 25th Anniversary of Postage Stamps of the United Nations
29. June WM: None Sheetsize: 30 Design: St. Małecki Engraving: PWPW. Perforation: 11¼:11½
![[The 25th Anniversary of Postage Stamps of the United Nations, type BYP]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/BYP-s.jpg)
