This product is a hand-signed Diego Costa shirt from the 16/17 season, complete with a Certificate of Authenticity (COA). The shirt is certified as having been obtained personally, making it a valuable piece of football memorabilia for fans of Premiership players and clubs. As an original signed item, it holds sentimental value for collectors and enthusiasts of sports memorabilia, especially those interested in football autographs and relics from top-tier teams. This unique item would make a prized addition to any football memorabilia collection.