The product is a Shai Gilgeous-Alexander autographed Oklahoma City Thunder blue jersey with authentication from James Spence Authentication (JSA). This original autographed jersey features the signature of the basketball 2025 MVP Indeed, I have an extensive collection of genuine Shai autographs, assured to be authentic. Should they be deemed counterfeit, a refund of five times the purchase price will be issued. Authentication reports from JSA, BSA, or Becket must be provided in writing. Buy with assurance.