Issued in 1966, this Colombian airmail stamp commemorates the Declaración de Bogotá signed on 16 August 1966, an important regional declaration promoting cooperation among Latin American nations. The design features a bold, colorful map of South America, highlighting geopolitical unity, set against a radiant gradient background. At right, the text appears over a stylized Colombian emblem, giving the issue an elegant official character. Printed by De La Rue de Colombia, this $3 airmail value is a noteworthy mid-20th-century diplomatic thematic item. Excellent for collectors of Latin American history, politics, and international agreements.