Airmail cover franked with 1929 25c green AIR issue and 1931 5c green and pair 10c carmine (SG 306 & 310/311) tied by PORT-AU-PRINCE cds dated 5 DEC 1931 with second strike alongside. Flown on the Port-au-Prince - Nuevitas, Cuba PAA flight by pilots Dewey & Musick with four line 'PREMIER VOL PORT-AU-PRINCE NUEVITAS PAN AMERICA AIRWAYS' cachet in blue on front. Addressed to CUBA with arrival marks on reverse. (Muller #64)