USSR
Viser nå: USSR - Postfrimerker (1923 - 1991) - 1 frimerker.
1938
First Flight Moscow-Portland over North Pole
10. April VM: Ingen Arkstørrelse: 72 Design: V. Zavjalov Gravering: photo Perforering: 12¼
![[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)
