Antonio Callaway Autographed Full Size Helmets are top selling items among Florida Gators signed collectibles. This item has been personally hand-signed by Antonio Callaway and comes comes complete with a Certificate of Authenticity (COA) from JSA. The product will also be affixed with a hologram and sticker with a serial number to confirm authenticity. This Antonio Callaway Florida Gators Autographed Riddell Full Size Replica Helmet - JSA Authentic is backed by Prime One Sports Online's 100% Money Back Guarantee. Order ships same day.