Details: This 16x20 photograph has been personally hand signed by former Boston Celtics Hall of Fame forward Kevin McHale. It is officially licensed by the National Basketball Association and comes with an individually numbered; tamper evident hologram from 585. 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. signed Celtics jump shot action photograph. This was signed at our Private Signing and comes with a an individually numbered; tamper evident hologram from 585.