This index card is a must-have for any serious baseball collector. Featuring the signature of MORT COOPER, a key player for the 1942 and 1944 St. Louis Cardinals World Series championship teams, this item is sure to be a centerpiece in any collection. The autograph has been authenticated by Professional Sports Authenticator (PSA) and has been given a rating of MINT 9, ensuring its authenticity and high-quality. Not only is this item a part of baseball history, but it is also a testament to Cooper's skill and contribution to the championship-winning teams. The index card was manufactured in the United States and is an original piece. Don't miss out on the opportunity to own a piece of baseball history.