Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Danzig - Zeppelin Flights - 1936 (October 5-8), Airship ''Hindenburg'' 10th NAF registered cover, franked by 7 air post values, tied by Danzig oval ''3.10.36'' ds, Frankfurt connection and red confirmation cachet, NYC ''10.8.1936'' receiver, VF, Sieger #441, Scott #C36-4