Bobby Orr Boston Bruins Autographed Autograph Model Hockey Puck GNR COA. Boston Briuns Autographed Pucks signed by Bobby Orr are hot commodities in the memorabilia world. This Bobby Orr hand-signed product has been authenticated by a third-party authentication company and comes complete with a Certificate of Authenticity (COA) Included. Boston Briuns fans and collectors who are looking to boost their collection, need an authentic Bobby Orr autograph. Item ships quickly and securely.