USSR
Viser nu USSR - Post frimærker (1923 - 1991) - 1 frimærker.
1963
International Correspondence Week
20. september VM: Ingen Arkstørrelse: 50 Design: Yu. Ryakhovsky Perforeringer: 11½
![[International Correspondence Week, type COR]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/COR-s.jpg)
