Collectors Holdings Hit With Sports-Card Grading Monopoly Suit

April 14, 2026, 7:55 PM UTC

Collectors Holdings Inc. was sued by a consumer who claims the firm cornered the market for sports-card grading through unlawful deals and increased prices for verifying the condition of collectibles.

Collectors’ 2024 purchase of Sportscard Guaranty Corp. and 2025 acquisition of Beckett Grading Services violated Section 7 of the Clayton Act, which prohibits acquisitions that lessen competition, according to a proposed class action filed Tuesday in the US District Court for the Central District of California.

As a result of the deals, Collectors controls roughly 80% of the card grading market, the complaint alleges. Professional Sports Authenticator, a card grading ...

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