The C91-92 Fleetwood FDC commemorates the 75th Anniversary of the Wright Brothers' powered flight, featuring a 31 cent denomination and a multi-color design. This United States issued first day cover is used and ungraded, making it a unique addition to any aviation stamp collection. With its historic significance and ties to a monumental event in aviation history, this FDC is a valuable and collectible piece for enthusiasts of United States stamps and aviation memorabilia.