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Now showing: Bulgaria - Postage stamps (1970 - 1979) - 3 stamps.
29. May WM: None Perforation: 12½
![[Prehistoric Animals, type BTI]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/BTI-s.jpg)
25. September WM: None Perforation: 12½
![[Winter Olympic Games - Sapporo 1972, Japan, type BUI]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/BUI-s.jpg)
10. November WM: None Perforation: 11¼ x 12¼
![[The 75th Anniversary of the Birth of Kiril Conev, type BUX]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/BUX-s.jpg)
