Nov 22 1935 China Clipper First Trans-Pacific Flight San Francisco to Guam

Official first flight airmail cover carried by Pan Am's China Clipper on its historic Nov 22, 1935 trans-Pacific inaugural from California to Hawaii. Printed cachet in green commemorates the route from San Francisco to Honolulu. This commercial corner card envelope features a patriotic red-white-blue Via Air Mail border and the early NRA (National Recovery Administration) logo at lower left. Addressed to Hilo, Hawaii and postmarked Nov 22 at Alameda, with reverse receiving mark dated Nov 24.