3x Hall of Famers Autographed/Signed Baseball Jerseys Mystery Box with PSA JSA or Beckett COAHere's how it works: You're guaranteed to pull 3 (three!) custom jerseys signed by members of the Baseball Hall of Fame accompanied with a Certificate of Authenticity from JSA, PSA, Beckett or Fanatics Jerseys will be packaged in a sealed and branded HOFSM poly bag to ensure authenticity. You will receive three custom jerseys that have no team names, branding or logos. The complete hit list of the Baseball HOFers Mystery Box is: Hank Aaron Willie Mays