This baseball has been personally hand-signed by CC Sabathia with the inscriptions "1STK MIKE KINKADE 4/8/01, 1000THK ICHIRO SUZUKI 5/21/07, 2000THK TORII HUNTER 9/10/11, 3000THK JOHN RYAN MURPHY 4/30/19, 17TH MEMBER OF 3000K CLUB." It has been 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 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. This is a limited edition of 52.