Len Dawson Signed Purdue Boilermakers Jersey (JSA COA) Super Bowl IV Champ & MVPThis autographed jersey has been personally hand signed by Len Dawson of the Purdue Boilermakers. This autograph is certified by James Spence Authentications (JSA) Witnessed Protection Program. That means that a JSA representative was present when this item was signed. It comes with the numbered hologram and matching Certificate of Authenticity. Custom on field style jerseys are a more affordable option for autograph seekers. These jerseys do not have