NSVL
Praegu kuvatakse: NSVL - postmargid (1923 - 1991) - 1 margid.
1956
The 100th Anniversary of the Death of N.I.Lobachevsky
4. juuni WM: mitte ükski lehe suurus: 100 Disain: V. Zavyalov perforatsioon: 12¼
![[The 100th Anniversary of the Death of N.I.Lobachevsky, Tüüp BDE]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/BDE-s.jpg)
