The product is an autographed custom XL Boston Celtics jersey by basketball legend Larry Bird, accompanied by a Certificate of Authenticity from James Spence Authentication (JSA). This authentic item is a must-have for fans of the NBA and collectors of sports memorabilia, showcasing Bird's signature and ensuring its legitimacy through the witnessed COA. The jersey size is XL, making it a valuable and unique addition to any fan's collection representing the iconic Boston Celtics team.
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