This is a unique opportunity to own a piece of history. A mint sheet of 50 4 cent stamps from the 1961-1970 era of the United States is up for grabs. These stamps are a part of the Project Mercury series and feature various historical events. The denomination of the stamps is 4 cents and they are ungraded.

The stamps are never hinged and come uncertified. This is a great addition to any stamp collection and a perfect gift for any history enthusiast. Don't miss out on the chance to own a piece of American history.