1929, park city, Utah, snowstorm crash mail, 2 covers, in each case with a catastrophes cancel, very fine (Image)

1.7.1924, 8 C. On Trouis Continentalnachtflugbrief "NEWARK CHICAGO" with adhesive label "Via Airplane", superb, Müller 194 d (Image)

20.5.1928, first transatlantic flight East-west, USA welcome flight, superb (Image)

1928, 2 C. "cross-country Aeronautic conference" (3 x Michel number 314) with the rarely brothers Wright privat overprint "KITTY HAWK N. C. " on air mail letter, superb (Image)

1936 / 8, "brothers Wright" - first flight anniversary 17.12.1903, 2 Wright Memorriam flight letters, in addition to it 2 private Wright remember sheets, superb (Image)

1936 / 43, "brothers Wright anniversary", 2 air mail letters with special cachets to the presidents Roosevelt, with enclosed lot folder of the Harmer auction 1946, New York, superb (Image)

1934-52, interesting lot of 7 partly better documents, condition varies, inspect! (Image)