USSR
Now showing: USSR - Postage stamps (1923 - 1991) - 1 stamps.
1960
Mechanization and Automation of Production
13. July WM: None Sheetsize: 50 Design: N. Kruglov Perforation: 11½
![[Mechanization and Automation of Production, type BXR]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/BXR-s.jpg)
![[Mechanization and Automation of Production, type BXS]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/BXS-s.jpg)