Bidspirit auction | Worldwide Aerophilately - Germany

Worldwide Aerophilately - Germany - 1933, Chicago Graf Zeppelin Flight to Century of Progress International Exhibition, black overprints on 1m, 2m and 4m, complete set of three, full OG, NH or LH (1m), VF, C.v. $1,270, Mi #496-98, prorated C.v. €1,600 , Sc. #C43-45