Description:Christy Mathewson photograph c.1920s (PSA "Type II"). Outstanding image of Mathewson in full uniform complete with his New York Giants team issued cold weather sweater. "Keystone View Co." stamp on the back. Light toning and the slightest hint of wear. Each front corner has a small amount of paper residue which is the result of prior mounting. Authenticated and encapsulated by PSA with "Type II" designation. Includes Mathewson Collection certificate of provenance: EX with note to corner residue