The product is an original signed large check (8-1/4" x 3") by Alan Ameche, a player for the Baltimore Colts from 1955-1960. The autograph has been authenticated by James Spence Authentication (JSA), providing assurance of its authenticity. This unique item would be a valuable addition to any football or sports memorabilia collection, featuring a piece of history from a legendary player and team in the NFL. 

Alan Ameche: 

June 1, 1933 – August 8, 1988), nicknamed "the Iron Horse", or simply "the Horse", was an American professional football player who was a fullback for six seasons with the Baltimore Colts in the National Football League (NFL). He played college football for the Wisconsin Badgers and won the Heisman Trophy during his senior season in 1954. He was elected to the Pro Bowl in each of his first four seasons in the league. He is often remembered for scoring the winning touchdown in overtime in the 1958 NFL Championship Game against the New York Giants, labeled "The Greatest Game Ever Played".

The check is signed less than 4 months before his death.