USSR
Now showing: USSR - Postage stamps (1923 - 1991) - 1 stamps.
1938
First Flight Moscow-Portland over North Pole
10. April WM: None Sheetsize: 72 Design: V. Zavjalov Engraving: photo Perforation: 12ΒΌ
![[First Flight Moscow-Portland over North Pole, type HU]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/HU-s.jpg)
![[First Flight Moscow-Portland over North Pole, type HU1]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/HU1-s.jpg)
![[First Flight Moscow-Portland over North Pole, type HU2]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/HU2-s.jpg)
![[First Flight Moscow-Portland over North Pole, type HU3]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/HU3-s.jpg)