Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Liechtenstein - Zeppelin Flights - 1931 (June 10), Vaduz-Lausanne Flight postcard and cover, franked by Zeppelin stamps of 1fr and 2f respectively, red confirmation cachet and all appropriate markings, arranged on pages from a Collection, VF, Sieger #100A, B, C.v. €600, Scott #C7-8