Craig Mitchell & Steve Grilli Autographed 1976 Topps Rookie Card #591 (Crease) SKU #166938 MP-Basketball  The autograph has also been

 The autograph has also been authenticated by Beckett (BAS) and comes with their sticker and matching certificate of authenticity

In other words

A professional-style XL stitched San Francisco baseball jersey autographed by Orlando Cepeda and authenticated by JSA

With Hall of Fame 1965 inscription

All Hall of Famers all the time

Craig Mitchell & Steve Grilli Autographed 1976 Topps Rookie Card #591 (Crease) SKU #166938 MP-Basketball  The autograph has also beenThis is a 1976 Topps Rookie Card #591 that has been hand signed by Craig Mitchell and Steve Grilli. There is a crease in the item as shown. This item is guaranteed to pass any third party authentication company including Beckett, PSA DNA and JSA authentication.