The Autograph has been Certified as authentic by JSA (James Spence Authentication) and it comes with a. JSA FULL LETTER OF AUTHENTICITY. And matching numbered tamper proof sticker affixed to the LOA.The JSA Certification Number is: BB37520. This item is in the category "Sports Mem, Cards & Fan Shop\Autographs-Original\Baseball-MLB\Photos". The seller is "actionauto2003" and is located in this country: US. This item can be shipped worldwide.