Demand for PSA's services has grown exponentially over the last six years, prompting significant increases to its operations. Bruce Bennett / Getty Images Professional Sports Authenticator’s parent ...
Professional Sports Authenticators (PSA) is set to receive a $200 million investment from its parent company, Collectors, ...
The PSA grading policy changes in April 2026 are now fully impacting the trading card market, fundamentally shifting how ...
A recent post hoc analysis assesses whether PSA changes can predict survival outcomes in patients with metastatic or very high risk nonmetastatic prostate cancer.
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