This is a red mesh size XL jersey with sewn on name and numbers personally autographed by Dan Dierdorf with HOF 96 inscription. After earing All-American honors his season at Michigan he headed to the St Louis Cardinals where he would play for 13 seasons from 1971-1983. During that time he was selected All-Pro four times and lead one of the best O Lines of all-time allowing just 8 sacks during the 1975 season. He was selected to the 1970's all-decade team and into the Hall of Fame in 1996. This was signed in Chicago, IL at the Mounted Memories sports card show on March 17, 2012 and includes a picture of him from the signing as well as a certificate of authenticity from DenverAutographs.com