Sale 707 The Knapp Collection of Airmail Flights

[Clara Adams] Autograph on 1936 Graf Zeppelin/Hindenburg Schedule, "Clara Adams (64 Men), First Flight" on the front cover of a tri-fold schedule dated September 1936, detailing the scheduled flights of both Graf Zeppelin and Hindenburg for the remainder of the year, as well as the Condor Syndicate airplane connections in South America; additionally, on the back cover Adams has again signed her name along with "1928, ‘Graf Zeppelin’, Lakehurst Navel [sic] Air Station, N.J. to Germany" and "Dr. Hugo Eckener (Captain) (to Friedrichshafen, Germany)".
Estimate $200 - 300.