Five (5) one-ounce pure silver American Eagle $1 dollar coins representing the five different high-precision minting treatments. Including a 2015 Proof, with a mirror-like background and frosted design, a 2013 Reverse Proof, minted for only four years, with the opposite effect, a 2015 Burnished, minted for 12 years with unique matte finish, a 2013 Enhanced, available from the U.S. Mint for only one month, featuring a combination of light and heavy frost and a 2015 Uncirculated, simply the world's best-selling silver coin. Each in crystal-clear case in wood presentation box by PCS Stamps & Coins.