Sovjetunionen
Visar nu: Sovjetunionen - Postfrimärken (1923 - 1991) - 1 frimärken.
1938
First Flight Moscow-Portland over North Pole
10. april WM: Inga storlek på arket: 72 Design: V. Zavjalov Gravyr: photo Perforering: 12¼
![[First Flight Moscow-Portland over North Pole, Typ HU]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/HU-s.jpg)
![[First Flight Moscow-Portland over North Pole, Typ HU1]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/HU1-s.jpg)
![[First Flight Moscow-Portland over North Pole, Typ HU2]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/HU2-s.jpg)
![[First Flight Moscow-Portland over North Pole, Typ HU3]](https://swmedia-4cd6.kxcdn.com/media/catalogue/USSR/Postage-stamps/HU3-s.jpg)
