Printed 'First Flight Cristobal - Curacao' airmail cover franked with 1929 15c on 1c green AIR surcharge issue (SG 117) tied by CRISTOBAL cancel dated JUN 21 1929. Flown on the FAM 5 Cristobal - Curacao first flight with illustrated first flight cachet on front and arrival cds on reverse. (AAMC #CZ37b, Muller #21)