Identifier2005-10-06-B_text_210SourceThe William E. Boeing Sr. Papers (2005-10-06-B), Box 3, Folder 87CreatorUnited States Postal ServiceDescriptionAir mail cover addressed to William E. Boeing, care of Gerald Bliss, Postmaster, Cristobal, Canal Zone, from the Second Assistant Postmaster General, Washingont, D.C., March 16, 1929. Cover is signed by the pilot, Captain Eaker.
United States Postal Service, [Air mail cover addressed to William E. Boeing], [2005-10-06-B_text_210]. Museum of Flight Digital Collections, accessed 07/02/2026, https://digitalcollections.museumofflight.org/nodes/view/8803