The product is a set of six 2 cent Liberty revenue stamps from the United States, issued between 1875-1878. These stamps feature Liberty as the main topic and are of blue color. They are used and unused, making them a valuable addition to any stamp collection. The stamps are from the Scott Catalog R152 series and are uncertified, adding to their authenticity and historical significance. These stamps are a piece of American history that showcase the Liberty theme during the late 19th century.