The product is an autographed Philadelphia Phillies custom baseball jersey by Hall of Famer Lenny Dykstra. The signature is authenticated by Beckett Authentication Services (BAS), ensuring its authenticity. This unique item allows fans to own a piece of baseball history, specifically from the MLB era when Dykstra played for the Phillies. The jersey is a one-of-a-kind collectible that would be a valuable addition to any sports memorabilia collection.