1933 (1 Jun) Great Britain, Graf Zeppelin airship airmail cover from London to Buenos Aires, Flight to South America 'Friedrichshafen - Recife' (Image)

1931 (27 Mar) Hungary, Graf Zeppelin airship airmail postcard from Budapest to Pforzheim, Flight to Hungary 'Friedrichshafen - Budapest' (Sieger 103 b, CV $180) (Image)

1932 (15 Jun) Netherland, Graf Zeppelin airship airmail postcard from Rotterdam to Liverpool, Flight to Netherland 'Rotterdam - Friedrichshafen - London' (Image)

1930 (4 Jun) Spain, Graf Zeppelin airship airmail cover from Sevilla to Sterling (United States), 1st Flight to South America 'Sevilla - Friedrichshafen' (Sieger 58 Ca) (Image)

1933 (6 May) Spain, Graf Zeppelin airship airmail cover from Barcelona to Recife (Brazil), Flight to South America 'Friedrichshafen - Recife' (Sieger 203) (Image)

1929 (2 Nov) Switzerland, Graf Zeppelin airship airmail postcard from Gallen to Davos, Flight to Switzerland 'Friedrichshafen - Dubendorf' (Sieger 46) (Image)

1930 (14 Sep) Switzerland, Graf Zeppelin airship airmail postcard from Zurich to Kiel, Flight to Switzerland 'Genf - Friedrichshafen' (Sieger 87) (Image)

1930 (12 Oct) Switzerland, Graf Zeppelin airship airmail postcard from Bern to Basel, Flight to Switzerland 'Bern - Basel' (Sieger 94) (Image)

1930 (12 Oct) Switzerland, Graf Zeppelin airship airmail postcard from Bern to Zurich, Flight to Switzerland 'Bern - Basel' (Sieger 94) (Image)

1930 (12 Sep) Liechtenstein, Graf Zeppelin airship airmail cover from Vaduz to Triesenberg, Flight to Switzerland 'Friedrichshafen - Geneve' (Image)