Now showing: Poland - Postage stamps (1970 - 1979) - 5 stamps.
26. June WM: None Sheetsize: 30 Design: R. Dudzicki Engraving: PWPW. Perforation: 11¾:11½
![[Second Congress for Polish Science in Warsaw, type BRD]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/BRD-s.jpg)
8. August WM: None Sheetsize: 30 Design: J. Wysocki Engraving: PWPW. Perforation: 11¾:11¼
![[The 80th Anniversary of the Birth of Marceli Nowotko, type BRI]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/BRI-s.jpg)
27. September WM: None Sheetsize: 50 Design: A. Heidrich Engraving: PWPW. Perforation: 11¼:11½
![[The Day of the Stamp - Surcharge to Benefit the Rebuilding of the Royal Castle in Warsaw, type BRU]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/BRU-s.jpg)
13. October WM: None Sheetsize: 50 Design: St. Małecki Engraving: E. Tirdiszek, B. Brandt Perforation: 12:11½
![[The 200th Anniversary of the Commission of National Education, type BRZ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/BRZ-s.jpg)
![[The 200th Anniversary of the Commission of National Education, type BSA]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/BSA-s.jpg)
