Assume the Heisman pose: Stiff arm out, imaginary ball tucked in. Now prepare yourself for a killer of a keepsake: A very limited edition football helmet signed by a trophy case full of Heisman Trophy winners. Ready? Includes Marcus Allen, O.J. Simpson, Herschel Walker, Gary Beban, Bo Jackson, Tony Dorsett, Doug Flutie, Archie Griffin (no, he didn't sign twice), Rashaan Salaam, John David Crow, Desmond Howard, Eddie George, Barry Sanders, Billy Sims, Earl Campbell, Charles White, Hopalong Cassidy, Paul Hornung, Steve Owens, Mike Rozier, Jay Berwanger, Johnny Lattner, Johnny Rodgers, Gino Toretta, Joe Bellino, Jim Plunkett, Glenn Davis and George Rogers. Black helmet, with Steiner COA, was No. 73 in a series of 100.