This 14-coin proof set from the United States Mint is a must-have for any serious collector. The set includes coins struck in San Francisco and comes with a Certificate of Authenticity. Each coin is uncirculated and has a proof finish. The set is from 2015 and is a great addition to any collection. The coins are struck in a proof style and come with a certificate of authenticity. This set is perfect for anyone who loves collecting coins and wants to add a special piece to their collection.