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• Text (3)

• envelopes (3)
• covers (philately) (2)
• first flight covers (2)
• correspondence (1)

• In copyright (3)

• Air mail service (3)
• Boeing, William Edward, 1881-1956 (3)
• Boeing, Bertha Marie (Potter Paschall), 1891-1977 (1)
• Brown, Gordon D. (1)
• Douglas Aircraft Company (1)
• Douglas XB-19 (XBLR-2) (1)
• Glenn L. Martin Company (1)
• Martin (Glenn L.) JRM Mars Family (1)

3 results

[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] (Item)

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 Airplane, the Douglas B-19, Super-Bomber for United States Army Air Corps. Clover Field, Santa Monica, California to March Field, Riverside,…

[Demonstration flight air mail cover addressed to William E. Boeing from Douglas Aircraft Company, October 1, 1946] (Item)

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 William E. Boeing from Glenn L. Martin Company, July 3, 1942] (Item)

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."