Page 18 - Demo

Twin-Engine Transport Series1941-1944Transport PlaneC25%u2014June 25, 1941Transport PlaneC26%u2014March 21, 1944Transport PlaneC27%u2014August 15, 1941Transport PlaneC28%u2014August 10, 1941Transport PlaneC29%u2014August 27, 1941Transport PlaneC30%u2014September 25, 1941Transport PlaneC31%u2014October 29, 1941Transport Plane,Booklet PaneC25a%u2014June 25, 1941This set of Air Mail stamps was intended to cover the various rates in effect for both domestic and overseas Air Mail service. They were designed to replace a hodgepodge of Air Mail stamps in various sizes, shapes and designs. Each featured a twin-engine transport plane that was a composite of various aircraft built by different companies, and whose ability to fly was questionable.