FRAMES ARE 15 X 12 (ABOUT) This autographed Certificate of Authenticity features the signatures of two San Francisco Giants players, Pablo Sandoval and Nate Schierholtz. The certificate is an original product, authenticated by the Professional Sports Authenticator (PSA). It is a must-have for any baseball fan or collector of sports memorabilia. The certificate is in excellent shape and comes with a photo of the two players.