This is a full-size helmet signed by Marcus Allen, a former NFL player who played for the Oakland Raiders and the Kansas City Chiefs. The autograph authentication is done by James Spence (JSA), ensuring its authenticity. The helmet is from the 1994 Pro Bowl, which adds to its value as a collectible item. It is an original piece, and the autograph is in pristine condition. This is an excellent addition to any collection of NFL memorabilia. Pro Line authentic Riddell