Bidspirit auction | Liechtenstein - Zeppelin Flights

Liechtenstein - Zeppelin Flights - 1936 (May 6-9), Airship Hindenburg 1st North America Flight registered cover to NYC, franked by second Zeppelin set of two, red Berlin confirmation marking, NYC arrival ds on reverse, Sieger #408A/B, Est. $100-$150 , Sc. #C15-16