USSR
Now showing: USSR - Postage stamps (1923 - 1991) - 1 stamps.
1957
The 6th World Youth Festival (1st Issue) - Moscow
3. March WM: None Sheetsize: 72 Design: V. Zavyalov Perforation: 12 x 1¼
![[The 6th World Youth Festival (1st Issue) - Moscow, type BGS]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/BGS-s.jpg)