USSR
Now showing: USSR - Postage stamps (1923 - 1991) - 1 stamps.
1961
Young Builders of Seven Years Plan
30. December WM: None Sheetsize: 25 Design: A. Zavyalov Perforation: 12¼
![[Young Builders of Seven Years Plan, type CFP]](https://www.stampworld.com/media/catalogue/USSR/Postage-stamps/CFP-s.jpg)
