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Posted By: PS

I haven't looked at the auction, but typically there are a couple of clues that sometimes help date a grade (PSA itself does not provide the information). One, on the back, cards graded before 2002 (I think) have a hologram on the outside. Two, VERY EARLY PSA grades have long bar codes and slashes through the "O"s. Other than that I don't know any other way.