Circa 1911 photo of John McGraw throwing while Christy Mathewson looks on. Black and white 5.75x4" image depicts both in dark-colored New York Giants uniforms with large interlocking NY on the sleeve. Along with hand written identification in pencil, verso bears no less than five stamps from Brown Brothers, the industry leader in stock photo collections in the early 1900s. PSA encapsulated Type I Authentic.