USSR
Now showing: USSR - Postage stamps (1923 - 1991) - 1 stamps.
1952
The 110th Birth Anniversary of V.O.Kovalevsky
3. March WM: None Sheetsize: 100 Design: E. Bulanova Perforation: 12¼
![[The 110th Birth Anniversary of V.O.Kovalevsky, type AVD]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/AVD-s.jpg)