Led the Pirates to four pennants and a World Series Championship in 1909. LS signed “Fred C. Clarke,” one page, 5 x 8, September 6, 1936. Letter of response to a collector. In part, “I do not have any pictured but my autograph is below.” Letter is affixed to a larger lined sheet. In fine condition, with some mild corner toning from adhesive and a light diagonal crease. LOA Steve Grad/PSA/DNA and R&R COA.