Bidspirit auction | Worldwide Aerophilately - Germany

Worldwide Aerophilately - Germany - Zeppelin Flights : July 24-25, 1931, two North Pole Flight postcards, both franked by ''Polar Fahrt 1931'' overprint on 1m carmine, first one on shoulder Friedrichshafen - Berlin (cancelled on board), the other one to Leningrad (Friedrichshafen ''24.7.31'' ds), all appropriate markings and arrival ds, C.v. $380, Sieger #119A, E, €675, Sc. #C40