Pair of ONL (Giles) balls are signed by the best of each league respectively. Twenty-three American League sig's include Williams, Mantle, Fox, Ford, Lopez, Wynn, Kaline and Berra. All but five sig's (Mantle only one listed) are NRMT. Sixteen sig's on the National ball include Durocher, Kluszewski, Musial, Mathews, Schoendienst, Snider and Hodges. All sig's NRMT. From the collection of a minor league baseball executive.