This Funko Pop has been personally hand-signed by Buffalo Bills Hall of Fame Quarterback Jim Kelly in vibrant white paint. Jim has also added the inscription “HOF 02”! This item was signed in the presence of and witnessed by a representative of James Spence Authentication. It comes with an individually numbered, tamper evident sticker from JSA which can be reviewed online to ensure authenticity. This process helps to ensure that the product purchased is authentic and eliminates any possibility of duplication or fraud.