1930, USA, cover with 5 C violet winged globe franked for special American Legion Convention Flight, carried on DO-X pilot signed flight, franked with 1 M, 2 M and 3 M german eagle stamps from Friedrichshafen, 13.11.30, with red cachet "Erster Überseeflug EUROPA - AMERIKA", to Rio de Janeiro, arrival mark 22.VI.31 and addressed to A.H. Marchant Boston Mass. USA. Scacrce combination in VF condition. (Tax Method: Margin System) (Image)

1931, 100 Pf violettpurpur Korbdeckel, 4 Stück als MeF auf Karte ab Friedrichshafen, 21.11.30, mit rotem Cachet-Stempel und violettem Bordstempel Dornier Flugschiff DO X, 30.JAN 31, nach Buenos Aires in Argentinien, Pracht. (Tax Method: Margin System) (Image)