Cehoslovacia
Prezentat acum: Cehoslovacia - Timbre poştale (1918 - 1992) - 1 timbre.
1976
European Security and Co-operation Conference, Helsinki
30. Iulie WM: Niciunul Design: V. Hložník Perforare: 11¾
![[European Security and Co-operation Conference, Helsinki, Tip ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Czechoslovakia/Postage-stamps/2332-b.jpg)
