The product is a New York Yankees Jazz Chisolm Jr. signed official MLB ball with JSA certification. The autograph is guaranteed to be authentic by James Spence Authentication (JSA). This collectible item is a must-have for fans of baseball and the New York Yankees, showcasing the player's signature on an original piece of memorabilia. Perfect for adding to a sports memorabilia collection or displaying proudly as a unique piece of signed memorabilia.