The product is a signed Otis Birdsong Kansas City Kings custom basketball jersey, certified by JSA Witness. This unique item is an original autographed piece, making it a valuable collectible for fans of basketball and memorabilia enthusiasts. Featuring the signature of Otis Birdsong, a member of the NBA team the Kansas City Kings, this jersey is a special addition to any sports memorabilia collection, showcasing the authenticity and rarity of an original autograph.