May 25th All-Star Auction
This lot is closed for bidding. Bidding ended on 5/25/2022
This autographed full size Riddell Eclipse Alternate Speed Authentic helmet has been personally hand-signed by Rob Gronkowski of the Tampa Bay Buccaneers. 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.