USSR
Now showing: USSR - Postage stamps (1923 - 1991) - 1 stamps.
1964
The 20th Anniversary of Bulgarian Peoples Republic
9. September WM: None Sheetsize: 25 Design: Lesegri Perforation: 12¼
![[The 20th Anniversary of Bulgarian Peoples Republic, type CUK]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/CUK-s.jpg)