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Mantle Ball - UDA vs PSA 9
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09-17-2014, 09:50 AM
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Join Date: May 2009
Posts: 8,426
I don't think so. It's natural toning. I don't know what causes it, but it's something that naturally happens. Probably influenced by sunlight, but I don't think it's only sunlight.
Eddie Mathews
Lee Smith
Yaz
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