Scratching is the capital Holder not the coins. This 1951 Silver Proof Set includes five coins with a total of 90% silver content. The set features coins of denominations. 01, all struck at the Philadelphia Mint. The set comes in a Capital Holder and includes a U. The coins are of ungraded grade and the strike type is proof. The set does not have a certification number and is considered uncirculated. The set is a great addition to any collection and is a must-have for any coin enthusiast.