Los 508
10 c. "Clouds and small Biplane" tied by oval cachet "CCNA/CARTAGENA" to First Flight cover with 1 c. green and 2 c. red cancelled by double circle "CORREOS AEREO CARTAGENA-COLOMBIA 27.FEB.1920" to Barranqilla with arrival mark on front, cover slightly shortened at right, otherwise fine, signed Champion and Holcombe with certificate (1999)
