Air mail envelope commemorating the first day of the U.S. Army Air Corps taking over air mail deliveries, February 19, 1934. Addressed to Cal. E. D. Adams in San Francisco, California.
Text on envelope: "The Army flies the mail. First day cover."
Air mail envelope commemorating pilots who died while delivering the mail, May 15, 1934. Addressed to Harold B. Wright in Hutchinson, Kansas.
Text on envelope: "In memorium. U.S. Army. Pilots who died flying the mail. Memorial Day, 1934. Sponsored by…