This jersey has been personally hand-signed by Rob Gronkowski of the New England patriots 100% AuthenticCertificate of Authenticity by JSA
This jersey has been personally hand-signed by Rob Gronkowski of the New England patriots 100% AuthenticCertificate of Authenticity by JSA
This product comes fully certified with a Certificate of Authenticity and tamper-evident hologram and is fully backed by Supersportscenter.com's Authenticity Guarantee.