Featured is a Troy Polamalu signed Pittsburgh Steelers full size speed replica helmet. This helmet has been hand signed by Polamalu and comes with the Beckett witnessed hologram and certificate of authenticity. Included with this helmet is a deluxe acrylic display case. This helmet would make a great addition to any sports memorabilia collection! SPECIFICATIONS Autographed By: Troy Polamalu Team: Pittsburgh Steelers Sport: Football Authentication: Beckett Grading Services