The 50th Anniversary of the International Labour Organisation 1969
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1969
The 50th Anniversary of the International Labour Organisation
20. October WM: None Sheetsize: 30 Design: J. Desselberger Engraving: PWPW (Państwowa Wytwórnia Papierów Wartościowych) Perforation: 11:11¼
![[The 50th Anniversary of the International Labour Organisation, type BFU]](https://www.stampworld.com/media/catalogue/Poland/Postage-stamps/BFU-s.jpg)
