This baseball has been personally hand-signed by Jacob deGrom. It is officially licensed and authenticated by Major League Baseball and 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. The acrylic display case comes with an image, a sublimated nameplate and a black acrylic base with a gold-colored glove. It also features a clear acrylic removable lid. It measures 10'' x 5'' x 5.5''.