This striking airmail stamp from Guatemala features a formal portrait of Colonel Carlos Castillo Armas, commemorating the “Liberación 1954–1955.” Issued during a pivotal political period, it reflects the leadership of Castillo Armas as President of the Republic. The stamp’s bold green frame contrasts with the sepia-toned portrait, while the national emblem reinforces its patriotic theme. Printed by the Austrian State Printing House (Staatsdruckerei Wien), it highlights high-quality engraving typical of mid-century issues. A significant historical and political collectible, especially valued by thematic collectors focusing on leadership, revolution, or Cold War-era Latin America.