These game-used cleats have been used a hand-signed by Anthony Rizzo with the inscription "GU 9-3-17." They have been obtained under the auspices of the MLB Authentication Program and can be verified by their numbered holograms at MLB.com. They also come with a 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 the cleats may have imperfections due to in game play.