Gary Sheffield “509 HR’s” Signed New York Mets Jersey (Beckett Witness Certified)

Gary Sheffield autographed NY Mets custom jersey, everything is sewn on, size XL. Includes the inscription (” 509 HR’s”)

This autograph is certified by Beckett Authentication Services (BAS) Witness Certification. That means that a Beckett representative was present when this item was signed. It comes with the numbered authentication hologram with a QR code that verifies the authentication on the Beckett website.