This Framed Piece includes Original signatures from 12 Members of the Baseball Hall of Fame on their HOF Postcards. Signatures include: Al Chandler , Goerge Kell , Robin Roberts , Don Drysdale , Hank Greenberg , Billy Herman , Lou Boudreau , Johnny Mize , Enos Slaughter , Buck Leonard , Bob Lemon & Charles Gehringer. These items were hand signed by the athletes and is accompanied by a Certificate of Authenticity from Palm Beach Autographs. A tamper-evident hologram will be affixed to the item. Signed items are guaranteed to pass any third-party authentication with 100% Money Back Guarantee. Each signature is witnessed by a member of our staff or comes out of a private signing.