Bidspirit auction | Worldwide Aerophilately - Germany

Worldwide Aerophilately - Germany - 1931, North Pole Flight of Graf Zeppelin, brown overprints without hyphen ''Polar Fahrt 1931'' on 1m carmine and 2m ultra, full OG, LH, VF, C.v. $975, Mi #456 I-57 I, €1,300 , Sc. #C40a-41a