Beautiful circa 1909 portrait of all-time great Christy Mathewson. Type I photo measures 6.63x8.38" with some minor tears (taped on back) and pencil marks, one ink mark at the right edge. Verso has ID in pencil, stamp from noted photographer HD Blauvelt, and multiple stamps from Brown Brothers, the original newsphoto aggregation service founded in 1904. Encapsulated PSA Type I Authentic, includes LOA.