The 2017 Uncirculated Coin Set from the U.S. Mint comes in government packaging with a Certificate of Authenticity (COA). This set includes coins with denominations ranging from 1 cent to $1, composed of copper-plated zinc, copper-nickel, and manganese-brass. Minted in Philadelphia and Denver, these uncirculated coins are perfect for collectors looking to add coins from the United States to their collection.