Philippine 1917 2c Rizal (290), 8c Legaspi (293), 16c Dewey (303 & 303a) tied by diminutive air plane cancels type 3 on U.S. Army Survey Flight #15m (old #17f & 17r) from Manila, 2-18-27, to Cebu, 2-23, & return with Manila, 3-4, receiver. Also with Special cachets types 19 & 21 dated Mar. 4, 1927. Very Scarce flight, Only about 30 letters carried! Very Fine & Attractive cover.