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• Subject > Air mail service (remove)

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• Still Image (2)

• photographic prints (1)
• postcards (1)

• In copyright (1)
• No copyright - United States (1)

• Air mail service (2)
• Boeing, William Edward, 1881-1956 (1)
• Douglas M-4 Mailplane (1)
• United States Postal Service (1)

2 results

[Douglas M-4 Mailplane aircraft] (Item)

Photograph of a Douglas M-4 Mailplane aircraft parked in a field, circa 1920s.

[Air mail postcard addressed to William E. Boeing, Seattle, Washington, from Des Moines Post Office, Iowa, August 10, 1928] (Item)

Air mail postcard addressed to William E. Boeing, Seattle, Washington, from the Des Moines Post Office, Iowa, August 10, 1928. Text reads: "Congratulations - Des Moines, IA today dispatched more than 40,000 pieces of air mail via Boeing planes for a new worlds record. From the Postmaster Supervisors and Postal Employees of the Des Moines Iowa Post Office."