This basketball has been personally hand-signed by Bill Walton with the inscriptions "77 FINALS MVP, 78 NBA MVP, HOF 93, 2X NBA CHAMPS, NBA TOP 50." It is officially licensed by the National Basketball Association and comes with an individually 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.