Vintage photograph of Hall of Fame pitcher Christy Mathewson as a member of the New York Giants, circa 1911. Mathewson is pictured warming up on the sideline prior to a game. Four Brown Brothers credit stamps appear on the reverse, along with Mathewson's handwritten name. The photograph (7.5x9.5") remains in Excellent condition overall. Culled from the legendary Brown Brothers Photo Archive. PSA encapsulated as Type II Authentic.