Spalding Official NBA Super Tack Pro Composite Leather Basketball, nicely signed in silver marker by Dallas Mavericks Rookie Luka Dončić.

Signed at an official private autograph session held during Luka Doncic’s Rookie NBA Season.
Sold with Certificates of Authenticity from both The Autograph Source (Lifetime Guarantee) and independent third-party authenticator Beckett Authentication Services.