The product is a 1998-99 Topps Dirk Nowitzki #154 rookie card, signed by the player himself. This autograph is hard-signed and certified by Beckett Grading Services (BGS). The card features Dirk Nowitzki, a key player from the Dallas Mavericks in the National Basketball Association (NBA), making it a valuable addition to any sports memorabilia collection for fans and collectors alike.