NSVL
Praegu kuvatakse: NSVL - postmargid (1923 - 1991) - 1 margid.
1961
The 15th Anniversary of International Union of Students
8. august WM: mitte ükski lehe suurus: 20 Disain: L. Zavyalov perforatsioon: 12¼
![[The 15th Anniversary of International Union of Students, Tüüp CDO]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/CDO-s.jpg)
