Photographic PPC 'Riesenflugboot Dornier Do. X (D 1929)' showing a fantastic close up image of the Dornier DOX aircraft franked on picture side with 1932 2 x 1c on 4c blue, 10c red brown 'Correo Aereo' overprint issue (SG 428 & 414) tied by CALI SCADTA cds's dated 29 VI 1932 and Tobon 1927 6c red EL EXPRESO TOBON 'Train' issue (Hurt & Williams #S24) tied by oval EXPRESO TOBON cancel in blue black. Flown on the Cali - Bogota first flight (printed on reverse of card) with boxed 'PRIMER CORREO AEREO TRANSVERSAL EL RIO MAGDALENA Y EL PACIFICO' in green on message side with BOGOTA arrival cds dated 29 VI 1932. Scarce. (Unlisted in Muller)