Stamped: "First Flight - Pan American Clipper - Hawaii-California."
Stamped: "First Flight - Pan American Clipper - California-Hawaii."Creation Date1935-04-22SubjectAir mail serviceOriginal Formatenvelopesfirst flight coversBibliographic CitationThe William E. Boeing Sr. Papers/The Museum of FlightRightsIn copyright
[First flight air mail cover addressed to Mrs. W. W. Crocker], [2005-10-06-B_text_224]. Museum of Flight Digital Collections, accessed 13/02/2026, https://digitalcollections.museumofflight.org/nodes/view/8834
![[First flight air mail cover addressed to Mrs. W. W. Crocker]](/img/placeholder.gif?1768172494 "[First flight air mail cover addressed to Mrs. W. W. Crocker]")