Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Germany - Zeppelin Flights - 1937 (May 6), after crash of Airship ''Hindenburg'' illustrated cover intended for Return Flight from Lakehurst to Frankfurt, bearing two Zeppelin stamps, red lilac four- line cachet ''Intended for first eastbound trip of Airship ''Hindenburg'' in 1937...'', fresh and VF, Sieger #454Ea, C.v. €350, Scott #C57-58