This 14-coin set from the 2007 United States Mint Proof is a must-have for any serious collector. The coins are uncirculated and come with a Certificate of Authenticity. Each coin was struck in San Francisco and features a unique design that showcases the beauty of American currency.The set includes a variety of coins, each with its own unique design and striking characteristics. Some of the highlights include the 50 cents coin with a wildlife sanctuary design, the 25 cents coin with a physics and astronomy design, and the 10 cents coin with a culture and history design. This set is a great addition to any collection and is sure to impress both avid collectors and casual enthusiasts alike.