This autographed OML Baseball has been personally hand-signed by Frank Thomas of the Chicago White Sox. When signing, Thomas inscribed “HOF 2014” along with his signature. 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.