This bat has been personally hand-signed by Rafael Devers. It has been obtained under the auspices of the MLB Authentication Program and can be verified by its numbered hologram at MLB.com. It also comes with an individual numbered, tamper-evident hologram from Fanatics Authentic. This process helps to ensure that the product purchased is authentic and eliminates any possibility of duplication or fraud. The baseball bat display case is made of 1/8" thick acrylic and framed in a black wood step frame. Perfect for a collectible bat, this case features a World Series team logo and is either wall-mountable or could sit on a shelf or counter top. Officially licensed by Major League Baseball. Measures 40" x 4" x 7 1/2".