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 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."
Stamped cachet: "Demonstration flight - Flying Post Office - En route - Los Angeles - New York - Boston - U.S. Air Mail."
]]>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."
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."
]]>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."
Stamped cachet: "Seattle-Juneau, U.S. Air Mail F.A.M. 20. Ketchikan, Alaska."
]]>First flight air mail cover addressed to Mrs. William E. Boeing, Seattle, Washington, June 22, 1940. Includes brief note informing Bertha Boeing to keep the cover if interested and return it if not.
Stamped cachet: "Seattle-Juneau, U.S. Air Mail F.A.M. 20. Ketchikan, Alaska."
Stamped cachet: "First Flight F.A.M. 20. Seattle, Washington. U.S. Air Mail."
]]>First flight air mail cover addressed to Bill Boeing, Jr., Claremont, California, from William E. Boeing, June 20, 1940.
Stamped cachet: "First Flight F.A.M. 20. Seattle, Washington. U.S. Air Mail."
Stamped: "1st Service Postal - Aerien - France - Etats - Unis."
]]>Letter and first flight air mail cover addressed to William E. Boeing, from Thomas F. Hamilton, United Aircraft Corporation, May 23, 1939. Sends greetings by first transatlantic air mail service. One typed page and air mail cover.
Stamped: "1st Service Postal - Aerien - France - Etats - Unis."
Stamped cachet: "The Boeing Clipper Inaugural Flight, 1939 - San Francisco, Honolulu, Midway, Wake, Guam, Manila, Hong Kong and return. Cachet by the Stamp Club of the Honolulu Advertiser."
]]>Letter and first flight air mail cover addressed to Mrs. William E. Boeing, Seattle, Washington, from Clarice De Jarlais, Honolulu, Hawaii, March 13, 1939. Two handwritten pages on Trans-Pacific Air Mail stationery and air mail cover.
Stamped cachet: "The Boeing Clipper Inaugural Flight, 1939 - San Francisco, Honolulu, Midway, Wake, Guam, Manila, Hong Kong and return. Cachet by the Stamp Club of the Honolulu Advertiser."
Letter to William E. Boeing from Merl LaVoy, U.S. Consulate, Johannesburg, South Africa, August 2, 1938. Includes centenary commemorative envelope with a cachet illustration depicting the Great Trek of 1838 by the Voortrekker [Dutch-speaking settlers] from Cape Colony into the interior of South Africa. LaVoy notes that first one thousand miles of the letter's trip was via ox cart, while the rest would be air mail.
Stamped: "Macksburg, IA. Birthplace of Glenn L. Martin (1886-), Designer of Martin Airplanes - Air Mail Week - May 15 to 21."
]]>Air mail cover addressed to William E. Boeing, Seattle, Washington, May 20, 1938. Includes a stamped cachet with an image of Glenn L. Martin.
Stamped: "Macksburg, IA. Birthplace of Glenn L. Martin (1886-), Designer of Martin Airplanes - Air Mail Week - May 15 to 21."
Stamped cachet: "20th anniversary of the inauguration of regular air mail service - First National Air Mail Week - May 15-21, 1938 - Commemorative Flight from Kitty Hawk, North Carolina to Dayton, Ohio in honor of the Wright Brothers."
]]>Commemorative air mail cover addressed to Bill Boeing, Jr., Seattle, Washington, from William E. Boeing, May 19, 1938.
Stamped cachet: "20th anniversary of the inauguration of regular air mail service - First National Air Mail Week - May 15-21, 1938 - Commemorative Flight from Kitty Hawk, North Carolina to Dayton, Ohio in honor of the Wright Brothers."