PSA Grading

PSA Authentication & Grading Services

The showcase standard for authentication and grading. Find us wherever collectibles are admired and acquired, and submit yours today.

PSA Price Guide

Auction Prices Realized

Card Ladder

Hobby Essentials

PSA Set Registry

PSA App

QuickOpinion™

PSA Pop Report

PSA Appraisals

PSA Security

PSA Originals

Collect & Subscribe

The PSA Pod

Streaming weekly: insider chatter and trading card heat.

PSA Careers

Join the team and turn your passion into a profession.

Professional Sports Authenticator (PSA) is the largest and most trusted third-party trading card authentication and grading company in the world. Since its inception in 1991, PSA has certified over 40 million cards and collectibles with a cumulative declared value of over a billion dollars. PSA is a division of Collectors Universe, which has offices in California, New Jersey, Paris, Hong Kong, Shanghai and Tokyo. As the only third-party grading service to offer a guarantee on its services, PSA has emerged as the clear leader in authentication and grading for trading cards and other collectibles.

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About PSA

The story behind the largest third party grading service.