Attractive handwritten letter from pitcher Grover Lowdermilk signed by the White Sox in May of 1919 at the tail end of his 9-year career. Lowdermilk would start 11 games for the White Sox posting a 5-5 record. Lowdermilk pitched in one game in the World Series pitching just one inning and giving up a run on two hits. The letter was written on lined paper in pencil dated 1956 and has been authenticated and encapsulated by PSA/DNA the signature receiving an outstanding grade of MINT 9.