Češkoslovaška
Sedaj prikazano: Češkoslovaška - Poštne znamke (1918 - 1992) - 1 znamke.
1977
The 25th Anniversary of Czechoslovak Academy of Science
17. november WM: Nič Oblika: K. Svolinský Gravura: L. Jirka Perforacija: 11¼ x 11½
![[The 25th Anniversary of Czechoslovak Academy of Science, tip BSM]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/BSM-s.jpg)
