This is a rare and valuable U.N. New York stamp sheet of 50, featuring the theme of civil aviation. The stamps have not been used and are in mint condition, never hinged. The colorful design is perfect for collectors and enthusiasts of aviation topics. This stamp sheet was issued between 1971-1980, by the United Nations, and is a great addition to any worldwide or United Nations stamp collection. The item has not been modified and is uncertified. Don't miss out on this fantastic opportunity to own a piece of history!