USSR
Now showing: USSR - Postage stamps (1923 - 1991) - 1 stamps.
1963
Academy of Sciences Members
15. August WM: None Sheetsize: 50 Design: S. Sokolov Perforation: 11½
![[Academy of Sciences Members, type COF]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/COF-s.jpg)