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…
Air mail envelope commemorating the Albany Air Meet, October 1928. Addressed to Gordon C. Lindsay in Wilkinsburg, Pennsylvania.
Text from original exhibit label: "Airmail envelope commemorating the Albany Air Meet, 1928."
Air mail envelope commemorating the 15th anniversary of air mail service, May 15, 1933. Addressed to the National Cachet Publishing Service in Brooklyn, New York.
Text from original exhibit label: "Airmail commemorating fifteen years of airmail…