NSVL
Praegu kuvatakse: NSVL - postmargid (1923 - 1991) - 1 margid.
1975
European Security and Co-operation Conference
18. august WM: mitte ükski lehe suurus: 25 Disain: Yury Artsimenev perforatsioon: 11½
![[European Security and Co-operation Conference, Tüüp EXQ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/EXQ-s.jpg)
