Tom Glavine Signed 1988 Donruss Baseball Card w/JSA AuthenticYou are bidding on a signed card that has been hand signed by the celebrity/athlete listed above. The item is guaranteed to pass any reputable third party authentication system such as JSA or PSA/DNA if not already lidted as having it or your money back for the item will be given. All autographed items purchased will come with a Certificate of Authenticity issued by our company unless stating a third party authenticator.