USSR
Viser nå: USSR - Postfrimerker (1923 - 1991) - 1 frimerker.
1975
European Security and Co-operation Conference
18. August VM: Ingen Arkstørrelse: 25 Design: Yury Artsimenev Perforering: 11½
![[European Security and Co-operation Conference, type EXQ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/EXQ-s.jpg)
