NSVL
Praegu kuvatakse: NSVL - postmargid (1923 - 1991) - 1 margid.
1964
International Quiet Sun Year
1. jaanuar WM: mitte ükski lehe suurus: 50 Disain: Lesegri perforatsioon: 11½
![[International Quiet Sun Year, Tüüp CQW]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/CQW-s.jpg)
![[International Quiet Sun Year, Tüüp CQX]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/CQX-s.jpg)
![[International Quiet Sun Year, Tüüp CQY]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/CQY-s.jpg)
