Bill Mazeroski Signed Baseball. Bill signed in blue pen on this Official National League Baseball. The ball displays nicely with a light smudge on the Official and National. It comes with a COA from CAS Authentication.

A note about CAS. Mike root who was a lead authenticator for JSA and SGC has now opened his own authentication business called CAS. Mike has been authenticating autographs for ITPC for many years and now will be doing it under the CAS name. Business as usual !

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