all stamps : Stamps for sale - USSR
Now showing: USSR - Postage stamps (1923 - 1991) - 3 stamps.
5. August WM: 1 Sheetsize: 80 Design: V. Kupriyanov Engraving: litho Perforation: 12½
![[The 6th International Proletarian Esperanto Congress, type U]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/U-s.jpg)
![[The 6th International Proletarian Esperanto Congress, type U1]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/U1-s.jpg)
1. December WM: 1 Sheetsize: 100 Engraving: photo Perforation: 13½
![[Stamps of 1925-1926 Surcharged, type U2]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/U2-s.jpg)
