This 5 coin set of 2006 P State Quarters is a great addition to any coin collection. The coins are made of copper-nickel clad and have a fineness of 0.835. They were struck in Philadelphia and are uncirculated with certification from the U.S. Mint. The coins feature various designs representing the states of Colorado, South Dakota, North Dakota, Nebraska, and Nevada. The denomination of the coins is 25 cents and they are part of the State Quarters series. This set is a must-have for any coin enthusiast and would make a great gift.