Panama, 1925 (Aug. 10) Barranquila, Columbia to Panama, Scadta Colombia-Central America first flight cover bearing Colombia 3c blue and 30c Airmail (C1), tied by Barranquila (8.10) cds, purple framed first flight cachet handstamp, green "Correo Aereo" label, Cristobal (8.12), Ancon (8.13) and Panama (8.13) backstamps, Barranquila airmail label on backflap; light fold, F.-V.F., only 41 flown. Estimate  $200 - 300. $0 (Image)