Dick Butkus Autographed/Signed Chicago Bears Authentic Helmet HOF JSA 28637 The number in the listing title is just an inventory sku for our records and is not the authentication number. This is a Chicago Bears full size authentic/proline helmet that was personally autographed by Dick Butkus with HOF inscription. Includes a certificate of authenticity from James Spence Authentication (JSA) and Denver Autographs.