Autographed mini-helmet of Dolphins star Tyreek Hill - authenticated by James Spence Authentication (JSA)This officially licensed speed mini-helmet has been hand-signed by Dolphins star Tyreek Hill. All autographed memorabilia comes with a certificate of authenticity and a matching hologram.Hand-Signed by Dolphins star Tyreek HillSignature is bold and clear on the mini-helmetOfficial NFL Riddell mini-helmetIncludes JSA certificate of authenticity and matching hologram Stock image - customer will receive similar item