Description:Baltimore Colts Hall of Famers autographed full size helmet Replica helmet by Riddell has been signed by Johnny Unitas, Art Donovan, Gino Marchetti, Raymond Berry, John Mackey, Jim Parker, and Lenny Moore. Marker signatures rate 8 to 9 out of 10. Includes auction LOA from JSA and certificate of provenance from the Unitas Family: NM