This Dirk Nowitzki Dallas Mavericks Jersey was hand signed by Dirk Nowitzki of the Dallas Mavericks during the 2018-2019 NBA season. Dirk signed this jersey in black sharpie before getting on the team bus to face the Washington Wizards in Washington, DC. This item has been recently certified by James Spence Authentication (JSA) and its COA is #AI24224. You will receive the jersey pictured.