This Spalding indoor/outdoor basketball has been personally hand-signed by former Philadelphia 76ers' small forward Julius Erving with the inscription "HOF 93". 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.