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…
Airgram to Bertha Boeing from William E. Boeing, November 28, 1928. Informs her that they left "with 773 pounds of mail, our record load out of Oakland" and details the flight. One handwritten page.
Airgram to Bertha Boeing from William E. Boeing, November 29, 1928. Describes slight delay en route from Salt Lake City, Utah to Cheyenne, Wyoming due to weather conditions in Sherman Hill [Wyoming?]. One handwritten page.
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 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.…
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…