Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Denmark - Zeppelin Flights - 1936 (May 25-28), Airship ''Hindenburg'' 2nd SAF (5th SAF of Zeppelin and Hindenburg in 1936) registered postcard to Chile, franked by four stamps, including three air post values, tied by Copenhagen ''23.5.36'' ds, red letter ''e'' confirmation cachet, arrival marking on picture side, VF, Sieger #412, Mi #16, €450, Scott #C7-8, C10