1935 China Clipper First Contract Cover Guam to San Francisco, Dec 8 (Stained)

Airmail cover flown on the December 8, 1935 China Clipper flight from Guam to San Francisco under Pan Am's first transpacific contract route. Features green Guam San Francisco cachet, Guam postmark, and two 25 airmail stamps tied by duplex cancel. Addressed to San Francisco with both typed and handwritten address present. Light stains and age toning visible, particularly on reverse. Priced accordingly.