Bidspirit auction | Worldwide Aerophilately - Liechtenstein

Worldwide Aerophilately - Liechtenstein - May 6-9, 1936, Airship ''Hindenburg'' First North America Flight card and two covers, franked by 1fr, 2r and complete set of two values respectively, each one with red confirmation cachet and arrival ds, VF, Sieger #408A, B, A/B, €470 , Sc. #C15-16