Issued by Greece (Hellas) in 1968, this stamp commemorates the heroic actions of the Royal Hellenic Air Force during the 1940–41 campaigns of World War II. The dynamic design depicts a military aircraft in combat flight, symbolizing Greece’s aerial defense and wartime resilience. Printed in striking blue tones, the stamp captures both movement and historical significance, making it appealing to aviation and WWII thematic collectors. The inscription highlights the anniversary tribute to the Air Force’s wartime achievements. A meaningful historical commemorative piece from the late-1960s Greek philatelic issues.