2008-S Clad Proof Set in “Perfect” Proof 70 (PF70) Ultra Cameo. This set includes the following states: Oklahoma, New Mexico, Arizona, Alaska, and Hawaii. NGC is highly respected as the leading grading service in the nation and the official grading service of the American Numismatic Association (ANA). Each coin has a diameter of 24.3 mm and a face value of 25 United States cents. ** Serial number will vary for each coin**