1939 Philippines First Flight Boeing Clipper Manila to USA Space Measures (from the outside) about

Measures (from the outside) about 9L x 4 15/16W x 3 7/16H

Most stamps look to be in good collectable condition however

1935 Duck Stamp - Sc# RW2 - VF

Hard to Find In the USA

1939 Philippines First Flight Boeing Clipper Manila to USA Space Measures (from the outside) aboutOfficial First Flight cover Boeing Clipper service Commercial cover from The Philippine Bank of Commerce, Manila Purple triangular official cachet reading: "FIRST FLIGHT BOEING CLIPPER Manila to San Francisco via Guam & Honolulu March 1939" Postmarked: MANILA MAR 4, 1939 4PM Addressed to Irving Trust Company, New York, U. S. A. This marks the inaugural Boeing Clipper transpacific airmail service from Manila to San Francisco via Guam and Honolulu. Pre