Martavis Bryant Autographed/Signed Oakland Raiders Mini Helmet JSA 21389 This is an Oakland Raiders mini helmet that was personally autographed by Martavis Bryant. This helmet includes a certificate of authenticity from James Spence Authentication (JSA) and Denver Autographs.
This product comes fully certified with a Certificate of Authenticity and tamper-evident hologram and is fully backed by Supersportscenter.com's Authenticity Guarantee.