Collectibles grading and authentication giant Professional Sports Authenticator (PSA) has announced that the company will enter the comic book grading and authentication field in early 2025. Founded ...
Grading giant PSA announced pricing tiers and turnaround times for its new comic book and magazine categories in an email to customers Wednesday. Beginning July 14, PSA will accept grading submissions ...
A little more than two months after launching comic book and magazine grading as a new category, PSA is expanding the vertical to include dual service autograph authentication, the company announced ...
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