This sheet of 50 never-before-used US 5c stamps, featuring the iconic New York World's Fair 1964-1965 emblem, is a must-have for any stamp collector. The beautiful blue-green color and historical significance make it a valuable addition to any collection. The sheet is ungraded and uncertified, but the mint never hinged quality ensures that it is in pristine condition. The face value of the sheet is $2.50, and it was issued between 1961 and 1970 in the United States. This item is perfect for those who are interested in historical events and want to add a piece of American history to their collection. Don't miss out on this opportunity to own a piece of the New York World's Fair!