Cover franked with 1917 1c green, 1923 3c blue plus 1929 30c grey blue SCADTA issue (SG 358, 394 & 60) tied by BOGOTA SCADTA cds's with large blue & white SCADTA airmail label alongside. Flown on the BARRANQUILLA - NEW YORK first flight with illustrated first flight cachet on front and BARRANQUILLA transit cds on reverse. (Muller #72)