This is a beautiful sheet of 6 stamps, issued by Mozambique in 2009, displaying the history of aviation and supersonic planes. Featured aircrafts shown include the 1968 Tupolev Tu-144 supersonic transport aircraft, 1958 F-105 Thunderchief fighter-bomber from the United States Air Force, the 1965 North American XB-70A Valkyrie strategic bomber & supersonic research aircraft, 1966 SR-71 Blackbird strategic reconnaissance aircraft, 1969 Concorde 102 passenger airliner, and the 2003 General Dynamics F-16XL experimental fighter airplane. The sheet is Post Office fresh, mint never hinged, and F/VF.