A stamp souvenir sheet, issued by Guinea in 2011, honoring Presidents of the United States of America. Featured on the sheet include the 26th President of the United States Theodore Roosevelt, the Rough Riders United States Volunteer Cavalry during the Spanish-American War, and Mt. Rushmore. The sheet is Michel catalog #8250/Bl.1916, and is Post Office fresh, mint never hinged, and F/VF.