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It has been less than seven months since GameStop began its partnership with PSA to offer trading card submissions, and the ...
As a PSA (Professional Sports Authenticator ... popularity as collectibles and alternative investments. This partnership gives GameStop a foothold in the booming collectibles market, appealing ...
It has been less than seven months since GameStop began its partnership with PSA to offer trading card submissions, and the game retailer has already graded 1 million cards. Jordon Fong ...