The 20th Anniversary of Soviet-Mongolian Treaty 1966
Now showing: USSR - Postage stamps - 1966 - The 20th Anniversary of Soviet-Mongolian Treaty - 1 stamps.
1966
The 20th Anniversary of Soviet-Mongolian Treaty
31. January WM: None Sheetsize: 25 Design: A. Shmidshtein Perforation: 12¼
![[The 20th Anniversary of Soviet-Mongolian Treaty, type DDB]](https://www.stampworld.com/media/catalogue/USSR/Postage-stamps/DDB-s.jpg)
