Daryle Lamonica "Mad Bomber" Signed Oakland Raiders Mini Helmet (JSA COA)This autographed Riddell mini helmet has been personally hand signed by Daryle Lamonica of the Oakland Raiders. Lamonica added his nickname "Mad Bomber" along with his signature. This autograph is certified by James Spence Authentication's (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.