Featured is a Dirk Nowitzki signed Dallas Mavericks Mitchell & Ness basketball jersey. This jersey was hand signed by Dirk Nowitzki and authenticated by Fanatics authentication services. Included with the jersey is a Fanatics hologram and certificate of authenticity. This jersey would make a great additional to any sports memorabilia collection. SPECIFICATIONS Autographed By: Dirk Nowitzk Team: Dallas Mavericks Sport: Basketball Authentication: Beckett Grading Services