Identifier2005-10-06-B_text_230SourceThe William E. Boeing Sr. Papers (2005-10-06-B), Box 4, Folder 1DescriptionFirst flight air mail cover addressed to William E. Boeing, Seattle, Washington, from Inter-Island Airways, Ltd., Honolulu, Hawaii, December 5, 1935.
[First flight air mail cover addressed to William E. Boeing], [2005-10-06-B_text_230]. Museum of Flight Digital Collections, accessed 12/11/2025, https://digitalcollections.museumofflight.org/nodes/view/8850
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