First flight air mail cover addressed to Bill Boeing, Jr., Pasadena, California, from William E. Boeing, May 8, 1938.Stamped cachet: "United States Air Mail - Fairbanks-White Horse - First Flight."
First flight air mail cover addressed to Bill Boeing, Jr., Seattle, Washington, from William E. Boeing, May 8, 1938.Stamped cachet: "United States Air Mail - Fairbanks-White Horse - First Flight."
First flight air mail cover addressed to Mr. Donald R. Drew, Seattle, Washington, from William E. Boeing, May 8, 1938.Stamped cachet: "United States Air Mail - Juneau-Fairbanks - First Flight."
First flight air mail cover addressed to Bill Boeing, Jr., Pasadena, California, from William E. Boeing, May 3, 1938.Stamped cachet: "United States Air Mail - Juneau-Fairbanks - First Flight."
First flight air mail cover addressed to Bill Boeing, Jr., Seattle, Washington, from William E. Boeing, May 3, 1938.Stamped cachet: "United States Air Mail - Juneau-White Horse - First Flight."
First flight air mail cover addressed to Mr. Donald R. Drew, Seattle, Washington, from William E. Boeing, May 3, 1938.Stamped cachet: "United States Air Mail - Juneau-White Horse - First Flight."
Letter to William E. Boeing and Bertha Boeing from J. Parker Van Zandt, May 10, 1937. Sends greetings and hopes this will be added to Boeing's first flight collection. One handwritten page with first flight air mail cover.Stamped cachet: "Primeiro…
Commemorative letter honoring the 25th anniversary of Glenn L. Martin's record-making flight from Newport Bay, California to Avalon, Catalina Island, then the longest over-water flight in aviation history, May 10, 1937. One typed page on Glenn L.…
First flight air mail cover addressed to the Mr. and Mrs. Bill Boeing, Seattle, Washington, from Bruce and Gina Snyder, December 5, 1935. Includes a single sheet of paper with printed poem by "R.P.S." about air mail from Hawaii.Stamped cachet: "First…