You are bidding on an Official Rawlings Major League Baseball signed / autographed by Yoenis Cespedes of the Oakland A's. Cespedes signed the ball on the Sweet Spot. The autograph has been authenticated by JSA James Spence Authentication Services, the best in the business. The ball will have a tamper-evident JSA authenticity sticker affixed on it AND the ball will come with a matching no- worries Certificate of Authenticity. 100% AUTHENTIC.