The 2015-P $1 Mark Twain Commemorative Silver Dollar is a highly sought-after coin certified by PCGS as a Proof with a grade of PR 69. This modern silver/clad coin, minted in Philadelphia, features a commemorative design honoring the famous author Mark Twain. The coin is a first strike, making it a valuable addition to any coin collection for both collectors and investors. All genuine silver coins develop toning with the passage of time. This coin appears to have some faint light amber toning on both sides.