20 centavos Aeromisiva, a precursor of aerogrammes, issued in 1923 by SCADTA. The Colombian-German Air Transport Society (Spanish: Sociedad Colombo Alemana de Transporte Aéreo) was the world's second airline, and the first airline in the Americas, operating from 1919 until World War II. For this precursor enclosures already would have meant a higher rate of postage.
