The product is an original, authenticated Mariano Rivera autographed Rawlings OML baseball, signed by the Hall of Fame pitcher himself and including "HOF 2019" and "Unanimous" inscriptions. This officially licensed MLB collectible features the signature of Mariano Rivera, who played for the New York Yankees and is considered one of the greatest closers in baseball history. Authenticated by Beckett Authentication Services, this unique item is a valuable piece for any baseball fan or collector looking to add a piece of sports history to their collection.