USSR
Now showing: USSR - Postage stamps (1923 - 1991) - 1 stamps.
1967
International Scientific Cooperation
10. březen WM: Žádný Sheetsize: 50 Design: V. Pimenov Perforation: 11½
![[International Scientific Cooperation, type DIY]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/DIY-s.jpg)
![[International Scientific Cooperation, type DIZ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/DIZ-s.jpg)
