This is a beautiful sheet of 6 stamps, issued by Guinea in 2010, honoring the 11th President of the United States of America James K. Polk. Also featured on the sheet shown include American politician John Slidell, Prime Minister of the United Kingdom George Hamilton-Gordon, 4th Earl of Aberdeen, US Army Major General John C. Fremont, United States Army General "Grand Old Man of the Army" Winfield Scott, the 12th President of the USA Zachary Taylor, and the Durango and Silverton Narrow Gauge Railroad (D&SNG) train. The sheet is Michel #7925-7930, and is Post Office fresh, mint never hinged, and F/VF.