Los 990
1920, First Issue, Landscape and Airplane 15c. blue in combination with 1920 Colombia 3c. green and tied by circular "SERVICIO POSTAL AERO SCADTA CARTAGENA" and boxed "BARRANQUILLA" transit mark to cover to Barranquilla, reverse of cover with large advertisement "The Home of Ford Motor Cars", 15c. stamp affixed slightly over the edge, otherwise a fine cover used on the this day of issue of this adhesive, which was introduced especially to pay for this new Scadta "Port to Port" route
