This product is a New York Yankees Roger Clemens signed autographed jersey with pinstripes and a 1999 World Series patch, authenticated by James Spence Authentication (JSA). This collectible item is perfect for any baseball fan or Yankees memorabilia collector, showcasing the legendary pitcher's signature and offering a piece of history from the team's championship season. The unique design and authenticity make this jersey a valuable and cherished item for fans of the sport and the iconic New York Yankees franchise.