Air mail cover addressed to Bill Boeing, Jr., Pasadena, California, from William E. Boeing, May 18, 1938.Stamped cachet: "Seattle National Air Mail Week, May 15-May 21."
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 -…
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."
Air mail cover addressed to William E. Boeing, Seattle, Washington, May 29, 1953.Stamped: "First day of issue - American Air Mail Society - Convention Station."
Letter and first flight air mail cover addressed to William E. Boeing and Bertha Boeing from Gordon D. Brown, Douglas Aircraft Company, June 27, 1941. Sends cover to celebrate aviation progress.Stamped cachet: "B-19, Initial Flight of World's Largest…
Letter and first flight air mail cover addressed to William E. Boeing from Edward S. Campbell, February 5, 1929. Discusses aviation activities occurring while he is on board the USS Saratoga, including a reference to flight activities of Boeing…
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:…
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…
Letter and first flight air mail cover addressed to "Billie" [Bill Boeing, Jr.] from Donald R. Drew, November 20, 1935. Discusses social news and wishes a happy thirteenth birthday. One typed page on W. E. Boeing stationery and envelope.Stamped:…
Letter to William E. Boeing from Robert Gale, Mayor of Vancouver, B.C., February 10, 1919. Offers congratulations for flight between Vancouver and Seattle, Washington. One typed page and envelope.