USSR
Now showing: USSR - Postage stamps (1923 - 1991) - 1 stamps.
1970
The 13th International Congress of Historical Sciences
16. srpen WM: Žádný Sheetsize: 50 Design: A. Aksamit Perforation: 11½
![[The 13th International Congress of Historical Sciences, type EAK]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/EAK-s.jpg)