Gunner Olszewski Signed Pittsburgh Steelers Jersey (Beckett) Ex-Bimidji State WRThis autographed jersey has been personally hand signed by Gunner Olszewski ("Steeler Nation!" inscription) of the Pittsburgh Steelers. This autograph is certified by Beckett Authentication Services (BAS) Witness Certification. That means that a Beckett representative was present when this item was signed. It comes with the numbered authentication hologram with a QR code that verifies the authentication on the Beckett website. Custom on field style