This Dirk Nowitzki autographed Wilson Authentic Series Indoor/Outdoor Basketball in Black Ink makes for an outstanding addition to your Dallas Mavericks collection. Featuring the personal signature of Dirk Nowitzki prominently showcased, this piece captures a genuine, hands-on connection to the player and team. Authenticated with FanSecure technology that can be verified online, it's a great way to grow your Dallas Mavericks catalog of memorabilia.