The product is a Dirk Nowitzki signed 2016-17 Panini Prizm trading card, featuring the player's hard-signed autograph on the card. This collectible item is authenticated by PSA/DNA, making it a valuable addition to any sports memorabilia collection. The card is from the National Basketball Association (NBA) and represents the Dallas Mavericks team, with the autograph making it a unique and sought-after piece for fans of Nowitzki and the sport of basketball.