OK....so I'm a little OCD.
Here's the updated updated, properly alphabetized and sub-alphabetized.
A's - Blue
Brewers - Bristol, Harper, Hogan, Joss, Koslo, Lockwood, May, Pattin, Saunders, Walton.
Cubs - Banks, Beckert, Hands, Hundley, Jenkins, Kessinger, Ortiz, Pappas, Pepitone, Popovich, Santo, Williams.
Giants - Mays (incl. Friars Club variations), Perry(?).
Mets - Seaver.
Orioles - Palmer, Powell, B. Robinson, F. Robinson.
Pirates - Clemente (Hernandez and Oceak photo proofs seen, but not actual pins).
Reds - (Bench and Rose photo proofs seen, but not actual pins)
Red Sox - Aparicio, B. Conigliaro, Culp, Griffin, Josephson, Kennedy, Petrocelli, Scott, Yaz.
Senators - McClain, Howard(?).
White Sox - Richard
Looks like 41 known, with Howard and Perry rumored. Size, pose, finish and/or whether they have the facsimile autograph can vary.