USSR
Now showing: USSR - Postage stamps (1923 - 1991) - 1 stamps.
1959
The 150th Birth Anniversary of Charles Darwin
5. February WM: None Sheetsize: 90 Design: N. Kruglov Perforation: 12¼ x 12
![[The 150th Birth Anniversary of Charles Darwin, type BRF]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/BRF-s.jpg)