Danziger connecting flight mailings to the Austria flight 1931 (Sieger116), properly franked mixed franking including 10 penny airmail with plate flaw II \"comma top left at the left tower (field 65), tied by Air postmark \"Gdansk 5 airmail * -7.7.31 8-9 V. *\" besides find be alongside on the card the blue confirmation stamp the Austria flight, an on route passing cancellation from Friedrichshafen as well the arrival postmark from the post office Vienna 1, perf tips by Michel number 202 and 2023 slightly tarnished (gum spots), photo expertize buck BPP (2023), rare plate flaw particularly since on connecting flight mailings to the Austria flight! Michel 1.000.- (without hammer price for the form of use on Zeppelin letter)