This USA Block 4 Bicentennial Era stamp set is a must-have for any serious collector. The set includes 10 cent stamps from the years 1971-1980 and features a multi-color design with a hand-stamped cancellation type. The stamps commemorate the Bicentennial of the USA and are ungraded, making them a great addition to any collection. The set was issued in the United States and is certified as uncertified. It is unused and in great condition, perfect for those who are looking to add a unique touch to their collection. Don't miss out on the opportunity to own this rare and collectible set. 1546a I will combine shipping