Stamp of the USSRː Aviators Gromov, Danilin, Yumashev and Flight Route. Issueː First Trans-Polar Flight from Moscow, the USSR, to Vancouver, Washington, the USA (Greater Portland, Oregon, the USA) over the North Pole by ANT-25 Plane (June 18-20, 1937)
Нет данных:
1937
Сайт - <a rel="nofollow" class="external free" href="http://www.rossica.org/images/main_page/ross_5.JPG">http://www.rossica.org/images/main_page/ross_5.JPG</a>