Aaron Smith Signed Pittsburgh Steelers Dark Knight Gotham Style Jersey (JSA COA)This autographed jersey has been personally hand signed by Pittsburgh Steelers great, Aaron Smith from The Dark Knight Rises. 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.