This authentic jersey has been personally hand-signed and inscribed "HOF 2019" "1st Unanimous Vote" by Mariano Rivera. It comes with an individually numbered, tamper-evident hologram from Steiner Sports. 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. Includes certificate of authenticity and hologram from Steiner! This signature is guaranteed authentic through the Steiner Sports hologram system. This jersey is limited to only 42 and you will receive a random number from the edition.