COMES WITH CERTIFICATE OF AUTHENTICTIY (FROM J. PAUL SPORTS PROMOTIONS). THIS IS A 1971 WORLD CHAMPIONS AUTOGRAPHED TEAM PHOTO. IT HAS 23 SIGNATURES ON IT. THEY ARE: GENE ALLEY, STEVE BLASS, NELLIE BRILES, DAVE HERNANDEZ, BOB JOHNSON, DON LEPPERT, BILL MAZEROSKI, AL OLIVER, JOSE PAGAN, DAVE RICKETTS, BOB ROBERTSON, CHARLIE SANDS, MANNY SANGUILLEN, WILLIE STARGELL, RENNIE STENNETT, CARL TAYLOR, BOB VEALE AND BILL VIRDON.