This game-used baseball was personally hand signed by Javier Baez on May 26, 2019 vs. the Cincinnati Reds with the inscriptions "GU HR BALL 5/26/19, 3-4, 13TH HR OF SEASON." It was obtained under the auspices of the Major League Baseball Authentication Program and can be verified by its numbered hologram at MLB.com. It also comes with an individually numbered, tamper-evident hologram from Fanatics Authentic. 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.