Bidspirit auction | Worldwide Pioneer Flights - Philippines

Worldwide Pioneer Flights - Philippines - 1935 (December 2-6), First Flight by China Clipper from Manila to San Francisco via Guam and Hawaii, cover franked by seven stamps, including two air post overprinted values, issued for this flight, all appropriate markings and arrival ds, in addition five Air Mail related items of 1943-59, all are fresh and VF, Est. $100-$150, Sc. #C52-53