This basketball has been personally hand-signed by Earl Monroe with the inscription "HOF 1990" 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. . If a product is unsigned or non game-used, a hologram will not be included. Earl Monroe memorabilia. New York Knicks memorabilia.