The 15th Anniversary of European Security and Co-operation Conference, Helsinki 1990
Now showing: Czechoslovakia - Postage stamps - 1990 - The 15th Anniversary of European Security and Co-operation Conference, Helsinki - 1 stamps.
1990
The 15th Anniversary of European Security and Co-operation Conference, Helsinki
21. June WM: None Design: B. Votruba Engraving: M. Srb Perforation: 12 x 11½
![[The 15th Anniversary of European Security and Co-operation Conference, Helsinki, type CRC]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-stamps/CRC-s.jpg)
