Early 1910s Type I photo features Christy Mathewson in action. The New York Giants Hall of Fame hurler is shown throwing during pregame warmups, with the opposing team practicing in the background. Measures 6.5x4.75", one small crease at top corner, otherwise no blemishes noticed. Verso has Mathewson in pencil along with stamps indicating that this is from the Brown Brothers photo service. Encapsulated PSA Type I Authentic.