Milwaukee Brewers full-size replica batting helmet. Hand-signed and inscribed in white paint pen by Christian Yelich. This batting helmet has been personally hand-signed and inscribed "18 AL MVP" by Christian Yelich. 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.