John Bucyk HOF Autographed Boston Bruins Hockey Puck- JSA W Auth This is a Hand Autographed Hockey Puck of John Bucyk of The Boston Bruins. This item has a James Spence Witness Authentication, which Comes with a JSA #'ed Sticker and a Matching JSA COA. You can view this item on the SpenceLOA website, it shows when and where the item was signed. It was signed either at a public autograph appearance or a Private Signing.