Collectors Universe, Inc. provides authentication and grading services to dealers and collectors of high-value coins, trading cards, event tickets, autographs and memorabilia. The Company operates in three segments: coins, trading cards and autographs and other high-end collectibles. Services provided by these segments include authentication, grading, publication and Web-based advertising, subscription-based revenues and product sales. Some of the Company�s brands include PCGS (Professional Coin Grading Service), which is the brand name for the Company's independent coin authentication and grading service; PSA (Professional Sports Authenticator), which is the brand name for its independent sports and trading cards authentication and grading service; and PSA/DNA(PSA/DNA Authentication Services), which is the brand name for the Company's independent authentication and grading service for vintage autographs and memorabilia.