This game-used Louisville Slugger bat has been personally hand-signed by first basemen Chris Davis with the inscription "Game Used 2012 Season." I It has been obtained under the auspices of the MLB Authentication Program and can be verified by its numbered hologram at MLB.com. It also comes with an individual numbered, tamper-evident hologram from Fanatics Authentic. This process helps to ensure that the product purchased is authentic and eliminates any possibility of duplication or fraud. Please note that this game-used bat may have imperfections caused by in-game play.