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Sports Card Grading

Does anybody know if PSG is a reputable card grading service? Thank you Cindy

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Sports Card Grading

PSA dominates the market. SGC and Beckett are reputable. GAI used to be. Most of the others have little or no credibility.

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Sports Card Grading

They may be a grading service but not high on the top three that everyone looks for (Bekket if black label > PSA > CGC).

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