Czechoslovakia
Now showing: Czechoslovakia - Postage stamps (1918 - 1992) - 1 stamps.
1977
The 25th Anniversary of Czechoslovak Academy of Science
17. listopad WM: Žádný Design: K. Svolinský Engraving: L. Jirka Perforation: 11¼ x 11½
![[The 25th Anniversary of Czechoslovak Academy of Science, type BSM]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/BSM-s.jpg)
