This Canadian 5-cent commemorative stamp was issued in 1955 to mark the 10th anniversary of the International Civil Aviation Organization (ICAO), founded in 1945 and headquartered in Montreal. The design features a soaring bird symbolizing global air travel, framed within an oval bearing the years 1945–1955. Above it appears a torch of progress, while maple leaves anchor the design at the base, emphasizing Canada’s role in international civil aviation. Printed in rich blue, it stands as an important mid-century airmail-themed commemorative with strong appeal for thematic collectors of aviation, UN agencies, and Canadian post-war issues.