Bulgaria
Now showing: Bulgaria - Postage stamps (1879 - 2024) - 1 stamps.
1983
The 5th Interparliamentary Conference for Security and Cooperation in Europe
20. May WM: None Perforation: 13¼ x 13
![[The 5th Interparliamentary Conference for Security and Cooperation in Europe, type ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Bulgaria/Postage-stamps/3188-b.jpg)