Issued by Spain in 1930, this airmail stamp commemorates the pioneering transatlantic flight of aviators Ramón Franco Jiménez and Julio Ruiz de Alda Iglesias. The design features their portraits at the top, along with a map of South America tracing their route, and a monoplane in flight symbolizing the achievement. The inscription “Travesía del Atlántico y Raid por América del Sur 1929” recalls their South Atlantic crossing and tour through South America. Printed in red, the 1 peseta denomination bears the inscription Pro Unión Iberoamericana, highlighting Spain’s desire to strengthen cultural and political ties with Latin America. A classic airmail issue prized by aviation and Ibero-American themed collectors.