This striking blue airmail stamp from Ecuador, issued in 1942, commemorates President Carlos Arroyo del Río’s historic address before the U.S. House of Representatives in Washington, D.C., on November 24, 1942. The design depicts the president at the podium, set against a detailed backdrop of the U.S. Congress chamber, with officials and the American flag prominently visible. Inscribed “SERVICIO AÉREO – CORREOS DEL ECUADOR,” the stamp carries a bold denomination of 5 Sucres. Printed by the American Bank Note Company, it represents Ecuador’s diplomatic ties and solidarity with the United States during World War II. Highly sought by collectors of Latin American airmails, diplomatic themes, and WWII-era philately.