Cehoslovacia
Prezentat acum: Cehoslovacia - Timbre poştale (1918 - 1992) - 1 timbre.
1963
Technical and Scientific Knowledge Society Congress
12. Decembrie WM: Niciunul Design: J. Lukavský Gravură: J. Švengsbír Perforare: 11½ x 12
![[Technical and Scientific Knowledge Society Congress, Tip AHC]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/AHC-s.jpg)
