This 16x20 Photo has been personally hand-signed by Yankee LEGEND and Hall of Famer, Mariano Rivera, He boasts one of the most beautiful Signatures in the industry and it absolutely POPS off this photo! 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.