75th anniversary of the first transpolar nonstop flight.<br><a href="https://en.wikipedia.org/wiki/Tupolev_ANT-25" class="extiw" title="w:Tupolev ANT-25">Tupolev ANT-25</a>, the aircraft used for the flight, against the route of the record flight from Moscow to Vancouver made over 18–20 June 1937 by the crew of <a href="https://en.wikipedia.org/wiki/Valery_Chkalov" class="extiw" title="w:Valery Chkalov">Valery Chkalov</a>.<br>The stamp of Russia, 13.00 rubles, 8 June 2012, PTC Marka Catalogue No 1596, Michel No 1828. Coated paper. Offset printing, multicoloured. Perforation: comb 11½:11½. Size of the stamp: 37×37 mm. Print run: 368,000.
<a href="https://en.wikipedia.org/wiki/Russian_Post" class="extiw" title="w:Russian Post">Russian Post</a>, Publishing and Trade Centre "Marka" (<a href="https://ru.wikipedia.org/wiki/%D0%98%D0%B7%D0%B4%D0%B0%D1%82%D0%B5%D0%BB%D1%8C%D1%81%D0%BA%D0%BE-%D1%82%D0%BE%D1%80%D0%B3%D0%BE%D0%B2%D1%8B%D0%B9_%D1%86%D0%B5%D0%BD%D1%82%D1%80_%C2%AB%D0%9C%D0%B0%D1%80%D0%BA%D0%B0%C2%BB" class="extiw" title="ru:Издательско-торговый центр «Марка»">ИТЦ «Марка»</a>). The design of the stamp by A. Povarikhin.<br><small>Scanned by <a href="//commons.wikimedia.org/wiki/User:AKA_MBG" title="User:AKA MBG">AKA MBG</a>.</small>
From a personal collection.