The 2008 Washington Alaska State Quarter "Extra Claw" Error is a rare and unique coin that showcases a mistake in the design of the state quarter. This specific coin was minted in Philadelphia and has a fineness of 0.75. The error in the coin is known as an "Extra Claw" variety, making it a valuable addition to any coin collection. With its circulated status, business strike type, and being uncertified, this coin offers a piece of US coinage history with a quirky twist.