USSR
Viser nu USSR - Post frimærker (1923 - 1991) - 1 frimærker.
1956
The 100th Anniversary of the Death of N.I.Lobachevsky
4. juni VM: Ingen Arkstørrelse: 100 Design: V. Zavyalov Perforeringer: 12¼
![[The 100th Anniversary of the Death of N.I.Lobachevsky, type BDE]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/BDE-s.jpg)
