This is a beautiful sheet of 6 stamps, issued by Guinea in 2011, honoring Presidents of the United States of America. Featured on the stamps include the 28th President of the United States Woodrow Wilson, United States Postmaster General Albert S. Burleson, General of the Armies John J. Pershing, head of the United States Committee on Public Information George Creel, US Attorney General James Clark McReynolds, Wilson's Vice President Thomas R. Marshall, U.S. Secretary of War Lindley Miller Garrison, the British ocean liner ship used during World War I RMS Lusitania, and the Panama Canal. The sheet is Michel #8146-8151, and is Post Office fresh, mint never hinged, and F/VF.