Airmail cover franked with 1935 2c brown, 1938 3c brown and 3 x 5c scarlet, 1937 30c reddish brown AIR issue and 1939 40c black & blue (SG 864, 894/895, 877 & 903) tied by SAN SALVADOR cds's dated 18 AGO 1939. Addressed to CURACAO with arrival cds on reverse.