A proposed class action lawsuit has been filed against Professional Sports Authenticator (PSA) and parent company Collectors Holdings, accusing the trading card grading giant of misleading customers about how its grading system works. Article continues after adThe lawsuit was brought by plaintiff Nicholas Funk, who is seeking to represent a nationwide class of customers who paid PSA grading fees. Lawsuit claims PSA’s grading process is inconsistent and financially conflictedAccording to the complaint, PSA built its reputation by promising collectors that its grades are based on standardized expert evaluations. The lawsuit argues those claims are misleading, alleging grades are influenced by subjective “eye appeal” rather than consistent grading standards. The complaint claims the certification has never been revoked.