White Throwback “Pat Patriot” style Riddell New England Patriots Pro On-Field Authentic SPEED football helmet, signed in blue marker by Patriots record-setting tight-end Rob Gronkowski who added his number “#87” after his signature.

(This is the style of helmet that Gronk wore with the Patriots).

Sold with Certificates of Authenticity from both The Autograph Source and independent third-party authenticator James Spence Authentication.