Browse Items (143 total)

First flight air mail cover addressed to William E. Boeing, Seattle, Washington, May 19, 1938. Stamped cachet: "Aviation History, 1911-1938 - Glenn L. Martin Flies First Plane into Clay Center, Nebraska, 1911. 1911 - Pusher type plane. 1938 - Glenn…

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."

First flight air mail cover addressed to Bill Boeing, Jr., Seattle, Washingotn, from William E. Boeing, May 8, 1938.Stamped cachet: "First Official Air Mail Flight - White Horse, Canada-Juneau, Alaska."

First flight air mail cover addressed to Mr. Donald R. Drew, Seattle, Washington, from William E. Boeing, May 8, 1938.Stamped cachet: "First Official Air Mail Flight - White Horse, Canada-Juneau, Alaska."

First flight air mail cover addressed to Bill Boeing, Jr., Pasadena, California, from William E. Boeing, May 8, 1938.Stamped cachet: "United States Air Mail - Fairbanks-White Horse - First Flight."

First flight air mail cover addressed to Bill Boeing, Jr., Seattle, Washington, from William E. Boeing, May 8, 1938.Stamped cachet: "United States Air Mail - Fairbanks-White Horse - First Flight."

First flight air mail cover addressed to Mr. Donald R. Drew, Seattle, Washington, from William E. Boeing, May 8, 1938.Stamped cachet: "United States Air Mail - Juneau-Fairbanks - First Flight."

First flight air mail cover addressed to Bill Boeing, Jr., Pasadena, California, from William E. Boeing, May 3, 1938.Stamped cachet: "United States Air Mail - Juneau-Fairbanks - First Flight."

First flight air mail cover addressed to Bill Boeing, Jr., Seattle, Washington, from William E. Boeing, May 3, 1938.Stamped cachet: "United States Air Mail - Juneau-White Horse - First Flight."

First flight air mail cover addressed to Mr. Donald R. Drew, Seattle, Washington, from William E. Boeing, May 3, 1938.Stamped cachet: "United States Air Mail - Juneau-White Horse - First Flight."