The product is a signed drink coaster featuring the autograph of Don Mattingly, a former player for the New York Yankees and Philadelphia Phillies manager. Major League Baseball. The autograph has been authenticated by CAS Certified Authentication Services, ensuring its authenticity. The coaster is a unique collectible item for fans of Mattingly and the Yankees, showcasing a piece of sports history with a personal touch from the player himself. This one-of-a-kind item would make a great addition to any baseball memorabilia collection.
