Matt Hasselbeck signed mini helmets display perfectly in a Seattle Seahawks sports room, man cave of office. This Matt Hasselbeck Seattle Seahawks Autographed Blaze Alternate Mini Helmet - JSA Authentic has been authenticated by JSA and comes complete with a Certificate of Authenticity and matching tamper-evident sticker. Sports Collectibles offers the best selection of autographed Seattle Seahawks sports memorabilia online. This Matt Hasselbeck signature is 100% authentic and really pops on this mini helmet. Protect your mini helmet investment with a display case. Add an authentic Matt Hasselbeck signed helmet to your growing Seattle Seahawks memorabilia collection. This product ships same day and is backed by Sports Collectibles 100% Money Back Guarantee.