This is a beautiful souvenir sheet, issued by Mozambique in 2009, displaying the history of aviation and modern supersonic planes. Featured aircrafts shown include the 1977 EF-111A Raven electronic warfare aircraft in the United States Air Force, 1988 JAS 39 Gripen multirole fighter aircraft from the Swedish aerospace company Saab, and the 1959 Mikoyan-Gurevich MiG-17 (MiG-17F) fighter aircraft from the Soviet Union. The sheet is Scott catalog #1868, and is Post Office fresh, mint never hinged, and F/VF.