A size XL blue jersey which has been personally autographed by Jack Ham and he added LINEBACKER U inscription. One of the greatest linebackers of all-time, and in the consideration along with Lawrence Taylor as the greatest outside linebacker of all time. During his twelve seasons with the Steelers he won four Super Bowl championship, was All-Pro six time and had 25 sacks, 21 fumbles recovered, and 32 interceptions. Had a great career at Penn State where he was 29-3 during his three seasons and earned All-American honors. Includes a a certificate of authenticity from James Spence Authentication (JSA)