The 20th Anniversary of the Conference on Security and Cooperation in Europe 1993
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1993
The 20th Anniversary of the Conference on Security and Cooperation in Europe
28. July WM: None Perforation: 12
![[The 20th Anniversary of the Conference on Security and Cooperation in Europe, type ]](https://www.stampworld.com/media/catalogue/Hungary/Postage-stamps/4273-b.jpg)
