This product is a 2023 Topps Chrome Black Green Refractor autographed trading card of Jordan Walker, a player from the St. Louis Cardinals in Major League Baseball. The autograph is hard-signed and authenticated by Topps. The card is graded 10 by Professional Sports Authenticator (PSA) and has a print run of 99. The card number is 151 and it is the only one with an autograph grade of 10.