This shadow box comes with an autographed bat personally hand-signed by Mike Piazza and Pete Alonso. This piece also comes with a photograph and a descriptive plate all double matted and framed in a wood frame. 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. To ensure authenticity, the hologram can be reviewed online. This process helps to ensure that the product purchased is authentic and eliminates any possibility of duplication or fraud.