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