Checoslovaquia
A mostrar agora: Checoslovaquia - Selos Postais (1918 - 1992) - 1 selos.
1977
The 25th Anniversary of Czechoslovak Academy of Science
17. Novembro WM: Nada Desenho: K. Svolinský Gravura: L. Jirka Perfuração: 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)
