Bobby Clarke Philadelphia Flyers Autographed Retired Jersey Number 23x19 Frame. Philadelphia Flyers Autographed Framed Photos signed by Bobby Clarke are hot commodities in the memorabilia world. This Bobby Clarke hand-signed product has been authenticated by a third-party authentication company and comes complete with a Certificate of Authenticity (COA) Included. Philadelphia Flyers fans and collectors who are looking to boost their collection, need an authentic Bobby Clarke autograph. Item ships quickly and securely.