Cehoslovacia
Prezentat acum: Cehoslovacia - Timbre poştale (1918 - 1992) - 1 timbre.
1964
The 4th European Cardiological Congress, Prague
10. Iulie WM: Niciunul Design: Istler J. Gravură: Mráček Jan Perforare: 11½
![[The 4th European Cardiological Congress, Prague, Tip AIS]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/AIS-s.jpg)
