Heinrich Köhler 383rd Auction – Day 2 Single Lots: Olympics, Thematics, Literature Special Catalogue: Airmail and Zeppelin Mail – inclusive the collection of the Sieger family

1938, flight of 20.10. with the Passat/Zepir, letter from "ZAGREB 1 18.X.38 with air-mail postage paid and German air-mail confirmation cancellation to Montevideo with on face postage paid franking with cancellation "MONTEVIDEO 24.X.38" for the postal storage fee. The cover has traces of transport and is not quite complete at bottom reverse, otherwise fine airmail cover from the need, connection flights from Yugoslavia are scarce