S23642

Flight to east prussia 1930 - rare postcard with nice Switzerland additional postage, cancelled Zurich 2.VIII.30 sent via Friedrichshafen with additional Reich postage and cancelled with Zeppelin board mark 24.8.30 and carried by airship to Koenigsberg (arrival postmark), in this kind with reich/Switzerland mixed postage an board mark, no pc is noticed in Sieger or Michel