Sovjetunionen
Visar nu: Sovjetunionen - Postfrimärken (1923 - 1991) - 1 frimärken.
1964
International Quiet Sun Year
1. januari WM: Inga storlek på arket: 50 Design: Lesegri Perforering: 11½
![[International Quiet Sun Year, Typ CQW]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/CQW-s.jpg)
![[International Quiet Sun Year, Typ CQX]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/CQX-s.jpg)
![[International Quiet Sun Year, Typ CQY]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/CQY-s.jpg)
