Stamped: "First Flight - United States Air Mail - Hilo, Hawaii, T.H. [Territory of Hawaii], USA."Creation Date1934-10-08SubjectBlackman, L. G.Air mail serviceOriginal Formatenvelopesfirst flight coversBibliographic CitationThe William E. Boeing Sr. Papers/The Museum of FlightRightsIn copyright
[First flight air mail cover addressed to Mr. L. G. Blackman], [2005-10-06-B_text_222]. Museum of Flight Digital Collections, accessed 07/11/2025, https://digitalcollections.museumofflight.org/nodes/view/8830
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