1928 (7 April), Manila-Culion Island flight, with special four-line "First Flight - Manila to Culion Island - U.S. Army Amphibian Plane - April 7th, 1928" handstamp and "Via U.S. Army Air Service" cachet, Manila (Apr. 6) cds, with "Culion, Rec'd Apr. 7" postmark on reverse, v.f., only 75 flown (Cat No. AAMC 24) (Image)

Est.US$150