This autographed Nike NFL Replica adult Large Game jersey has been personally hand-signed by Aaron Donald of the Los Angeles Rams. 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 card that verifies the authentication on the Beckett website.Authentication: Beckett Hologram with QR Code card