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, each one with red on-board ''17.SEP.1929'' cancellation, properly franked and tied by the same day date stamps of Brand, Eschweiler, Aachen, Osnabrück and Oldenburg, appropriate markings, mounted on 5 pages from a Collection, VF and rare assemblage, Sieger #34d, f, g, h and k, C.v. €2,100