This indoor/outdoor basketball has been personally hand-signed by former Boston Celtics small forward/guard John Havlicek with the inscription "H.O.F. '84". 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 It purchased is authentic and eliminates any possibility of duplication or fraud.