The product is a rare 2017 Kennedy Half Dollar coin from the Limited Edition Silver Proof Set, certified by ANACS as GEM Proof. This coin is composed of 0.999 fine silver with a total precious metal content of 1/2 ounce. It is a highly sought-after collector's item due to its limited availability and pristine condition, making it a valuable addition to any coin collection or investment portfolio. The coin is struck by the U.S. Mint and comes with a certification number for authenticity and grade verification.