This 1955 Proof Set is a rare gem for any coin collector. The set includes a beautiful 50C denomination silver coin with a stunning PR 68 grade. The coins were minted in Philadelphia and come with NGC certification. The set is uncirculated and has not been touched, making it a perfect addition to any collection. The fineness of the coins is 0.9, and they come with a unique certification number. This set is a must-have for any serious coin collector.