This is a beautiful souvenir sheet consisting of 1 stamp, issued by Guinea Bissau in 2008, as a tribute to Grandmaster World Chess Champion Bobby Fischer. Also featured on the sheet are World Chess Champion Boris Spassky, astronaut Eugene Cernan and Apollo 17 on the last lunar mission, NASA Mars space probe Mariner 9, Academy Award-winning actress Jane Fonda, and the Airbus A300 aircraft. The sheet is Post Office fresh, mint never hinged.