Cover with manuscript 'Via Aerea Por Chile' at top franked with 1924 5c scarlet and 30c claret 'San Martin' issue (SG 534 & 540) tied by VIA AEREA BUENOS AIRES cds dated 10 OCT 1929. Flown on the Buenos Aires - Buenaventura, Colombia first flight of the 12th October. Addressed to BOGOTA with BUENOS AIRES despatch cds dated OCT 12 on reverse with BUENAVENTURA boxed arrival mark dated 18th Oct and BOGOTA arrival cds dated 24 OCT. (Muller #49, rated 1000pts)