Led the Pirates to four pennants and a World Series Championship in 1909. Baseball's Great Hall of Fame exhibit card, 3.25 x 5.25, circa early 1950's, nicely signed on the front in fountain pen by Clarke, above his printed signature. In fine condition, with trivial tape remnants to each corner tip, not detracting from appearance. COA Steve Grad/PSA/DNA and RRAuction COA.