This basketball has been personally hand-signed by Hall of Fame center Patrick Ewing with the inscription "11 X AS." It is officially licensed by the National Basketball Association and 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. This collectible is a limited edition of 11.