Ohio State Mini Helmet Autographed By 4 Heisman Winners Case included COA. Unique mini helmet signed by OSU Heisman greats Hopalong Cassady, Archie Griffin, Eddie George and Troy Smith. The item "Ohio State Mini Helmet Autographed By 4 Heisman Winners Case included COA" is in sale since Saturday, June 1, 2019. This item is in the category "Sports Mem, Cards & Fan Shop\Autographs-Original\College-NCAA\Football\Helmets".The seller is "maeas-76" and is located in Pawleys Island, South Carolina. This item can be shipped to United States.