1929, "circuit over the Lake Constance region", superb postcard (Image 1) (Image)

1929, "Mediterranean voyage", board mail, superb cover (Image 1) (Image)

1929, "Friedrichshafen lot Angeles", postmark Friedrichshafen on letter alliance slip of paper, special postmark of office or arrival "close day number 26", superb (Image 1) (Image)

1929, "Balkan trip", handing in for transport Friedrichshafen, superb cover (Image 1) (Image)

1930, "Germany flight", Munich - Copenhagen - Berlin, handing in for transport Friedrichshafen, franked with 4 RM, superb cover (Image 1) (Image)

1930, "trip in the freed Rhineland", droped Coblenz, date stamp Cologne, superb postcard (Image 1) (Image)

1931, "Austria flight", board mail to Vienna, superb postcard (Image 1) (Image)

1931, "Polar travel", board mail to "Malygin", franked with 2 RM, card very fine (Image 1) (Image)

1931, "Polar travel", Ud SSR-Post, handing in for transport "Malygin", franked with 30 K. And 1 R., superb postcard (Image 1) (Image)

1931, "trip to Essen", board mail, card very fine (address black) (Image 1) (Image)

1931, "1. South America flight", franked with 2 x 200 rice postage meter, 500 and 2500 rice, superb postcard to London (Image 1) (Image)

1931, "2. South America flight", board mail the return flight, registered postcard franked among others with 2 RM "Polar travel", very fine (Image 1) (Image 2)

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1932, "2. South America flight", Chilean post, with red crest stamp, registered cover, superb (Image 1) (Image)

1932, "4. South America flight", Uruguayan post, registered cover, superb (Image 1) (Image)

1932, "LUPOSTA-trip", board mail, droped Rønne, franked among others with Michel no. S 42, S 46, W 29, superb postcard (Image 1) (Image)

1932, "7. South America flight", handing in for transport Friedrichshafen, registered postcard, superb (Image 1) (Image)

1932, "7. South America flight", connecting flight from Berlin, postage meter "Prolos serves the housewife", letter very fine (Image 1) (Image)

1933, "7. South America flight", Rio de Janeiro Recife, with "VARIG" additional franking, letter very fine, winner and Michel unknown! (Image 1) (Image)

1933, "8. South America flight", handing in for transport Friedrichshafen, registered label with "aw" (foreign office) and closure vignette, letter very fine (Image 1) (Image 2)

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1934, "3. South America flight", connecting flight from Stuttgart, superb postcard (Image 1) (Image)

1934, "Christmas trip", board mail, franked among others with tête-bêche pairs K 23 / 4, registered cover, very fine (Image 1) (Image)

1935, "4. South America flight", crew (Sammt) board postcard, postage stamps added with 3 Marocco Agenciesmarken through britisch post Office Larache, superb postcard (Image 1) (Image)

1935, "5. South America flight", board mail the return flight with Brazilian additional franking, letter very fine (Image 1) (Image)

1937, "circuit", board mail of the first circuit with various undeliverability notes, superb postcard (Image 1) (Image)