Philadelphia, PA Rotary-Wing Air Mail Experimental Route 2001 Flight 1939
$ 4.23
Description
Philadelphia, PA Rotary-Wing Air Mail Experimental Route 2001 Flight 1939. Envelope with purple first-flight cachet reading Philadelphia, Pa. / Camden Airport, N.J., rotary-wing aircraft and "Experimental Route 2001." Franked with 6c U.S. airmail stamp and circular cancel dated Jul 6 1939. Front shows handwritten addressee; back flap bears a handwritten notation with a Newark, N.J. address. Notes for Cover Collectors: • High-resolution scans of front and back are provided; use zoom to inspect postmarks, cachet details, and backstamps. • No third-party grading; condition is shown in the images.
