Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Germany - Zeppelin Flights - 1929 (September 17), Germany Flight one cover and four postcards, properly franked and tied by the ''17.9.29'' cancellations of Brand, Eschweiler, Aachen, Osnabruek and Oldenburg, each one with red on-board the same day markings, mounted on 5 pages from a Collection, VF and rare assemblage, Sieger #34d, f, g, h and k, C.v. €2,100