This is a beautiful stamp souvenir sheet, issued by Togo in 2011, commemorating the 50th anniversary of the birth of famous space astronauts. Featured astronauts shown include Space Shuttle Columbia astronaut Kalpana Chawla, NASA (National Aeronautics and Space Administration) astronaut Daniel C. Burbank, Space Shuttle Atlantis pilot Christopher Ferguson, and the Space Shuttle Atlantis Orbiter Vehicle Designation OV-104 space shuttle. The sheet is Michel catalog #3963/ Bl. 602, and is Post Office fresh, mint never hinged, and F/VF.