This is a beautiful souvenir sheet, issued by Mozambique in 2009, displaying the history of aviation from 1918-1933. Featured aircrafts shown include the 1939 Aichi D3A World War II dive bomber, 1925 Boeing Model 40 United States mail plane, and the 1931 Aeronca-C3 "Flying Bathtub" by Hughes Flying Service. The sheet is Post Office fresh, mint never hinged, and F/VF.