Rob Gronkowski New England Patriots Signed Autographed Full Size Helmets are the perfect display piece for your Pats sports room, man cave, home or office. Pats fans love Gronk and this Rob Gronkowski Autographed New England Patriots Full Size Throwback Helmet is perfect for you to add to your collection. Gronk hand signed this NE Patriots full size replica throwback helmet in black Sharpie. This Rob Gronkowski signature is certified authentic and comes complete with a Certificate of Authenticity (COA) and matching tamper-evident sticker from Sports Collectibles. Sports Collectibles is the online leader in authentic Rob Gronkowski and New England Patriots autographed sports memorabilia. Shop with complete confidence as this Rob Gronkowski autograph is 100% authentic. Your order ships out same day of purchase and is backed by our 100% Money Back Guarantee. Add this Rob Gronkowski signed New England Patriots logo Full Size Helmet here today before we sell out!