Considered the model umpire of the post-war era, Chylak was a skillful arbiter who earned the respect of players and managers alike during his 25-year major league career. Ballpoint signature, “Best Wishes, Nestor Chylak, Jr., A. L. Umpire,” on an off-white 3 x 5 lined slip. Slip is housed in a PSA authentication Lucite holder. In fine condition, with typed notation along top edge. R&R COA.