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14 results
First flight air mail cover addressed to William E. Boeing, Seattle, Washington, from the Glenn L. Martin Company, Baltimore, Maryland, July 3, 1942.Stamped cachet: "First Flight - This cover carried on first official flight of the 'Mars,' built by the Martin Co. for the U.S. Navy - World's Largest Flying Ship."
Demonstration flight air mail cover addressed to William E. Boeing, Seattle, Washington, from the Douglas Aircraft Company, Santa Monica, California, October 1, 1946.Stamped cachet: "Demonstration flight - Flying Post Office - En route - Los Angeles - New York - Boston - U.S. Air Mail."
[First flight air mail cover addressed to Bill Boeing, Jr., Seattle, Washington, June 21, 1947]
(Item)
First flight air mail cover addressed to Bill Boeing, Jr., Seattle, Washington, June 21, 1947.Stamped cachet: "First Flight A.M. 3 from Bozeman, Montana - Northwest Orient Airlines."Stamped cachet: "U.S. Air Mail, First Flight, Bozeman, Mont."Stamped on verso: "Bozeman, Montana. The Gallatin Way to Yellowstone National Park."
[First flight air mail cover addressed to William E. Boeing, Seattle, Washington, December 5, 1946]
(Item)
First flight air mail cover addressed to William E. Boeing, Seattle, Washington, December 5, 1946.Stamped: "U.S. Air Mail, First Flight AM-77, Olympia, Washington."