UD autographed balls
I am collecting NY Yankees autographed balls and I am just wondering if anyone can shed some light on the UD balls from quite a few years ago, I think 1990's. The ones with the red, orange and green boxes, and the little felt bags and the UD authenticity card signed by Bruce McNall.
Is there any issue with these being a problem authenticity wise? Any known fakes, are there some players autos that might be suspect? Thanks for your help.
Brad
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