Cover franked 1917 strip of three 1c green national issue and 1923 30c dull blue SCADTA issue (SG 358 & 41) tied by BOGOTA SCADTA cds's in red dated 10. III. 1924. Addressed to USA with fine strike of boxed 'Use the Colombian Air Mail ! It saves you 10 Days ! Information, Stamps Through GONZALO MEJIA 82-84 Broad Street - New York City' American consular agents cachet in purple on reverse with BARRANQUILLA transit cds alongside.