Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Russia and Soviet Union - Pioneer Flights - 1932 (August 26-28), Franz Josef Land - Arkhangelsk Flight card and cover addressed to Berlin, franked by International Polar Year stamps of 50k carmine (card) and 1r green (cover), both with triangle confirmation and all appropriate markings, VF, Est. $200-$250, Scott #C34-35