Los 526
50 c. green with surcharge in type III and overprint error "VAOLR instead of VALOR" and vertical stripe of three and single stamps Landscape and Airplaine 10 c. yellow, all tied by flight cancel "SERVICIO POSTAL AEREO SCADTA BOGOTA" to cover with additional franking horizontal pair Colombia 1920 3c. green to New York with date mark from 22.12.1921, cover and few stamps on reverse with creases, airmail stamp with surcharge error are fine, very rare
