Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Austria - Zeppelin Flight - 1936 (May 6-9), Hindenburg (L.Z.129) 1st NAF registered cover franked by 5 stamps, including 4 of Airplane over Landscapes issue, tied by Mother's Day Celebration special marking, Frankfurt (d) connection, NYC ''5.9.1936'' drop and Vienna ''17.V.36'' markings of final destination getting either by the Airship return flight or by an airplane, VF, Est. $100-$120, Scott #377, C32/43