The 30th Anniversary of "Problems of Peace and Socialism" 1988
Now showing: Bulgaria - Postage stamps - 1988 - The 30th Anniversary of "Problems of Peace and Socialism" - 1 stamps.
1988
The 30th Anniversary of "Problems of Peace and Socialism"
26. July WM: None Perforation: 13 x 12¾
![[The 30th Anniversary of "Problems of Peace and Socialism", type ECS]](https://www.stampworld.com/media/catalogue/Bulgaria/Postage-stamps/ECS-s.jpg)
