Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Germany - Zeppelin Flights - 1931 (July 24-27), North Pole Flight US postcard, franked by Zeppelin Polar Fahrt 1931 2m ultra, cancelled by Berlin ''25.7.31'' date stamp, red Flight cachet, Ice-Breaker ''Malygin'' drop marking of July 27, VF, Sieger #119H, C.v. €375,Scott #C41