This is a beautiful stamp souvenir sheet, issued by Guinea in 2009, commemorating the origin of species through natural selection. Featured on the sheet are the Darwin's Fox, philosopher & science historian Patrick Tort, African Bush Elephant, the Australian public university Charles Darwin University, English naturalist Charles Darwin, and a brief written biography of Darwin. The sheet is Michel catalog #6574/ Bl. 1687, and is Post Office fresh, mint never hinged, and F/VF.