Since 1991, PSA grading has been the accepted standard in the trading card industry.
Learn more about PSA’s grading standards for trading cards, packs, tickets and coins/pins. Read grade-by-grade explanations for the 10-point grading scale or take a visual tour.
Detailed guidelines for half-point grades, qualifiers, and no-grade definitions are also included.
PSA/DNA employs a four-level autograph authentication system to combat counterfeiters.
Get the full detail behind the hobby’s most secure authentication process.
Verification of certification numbers does not eliminate the risk of buying counterfeit collectibles.
Though uncommon, forgers may counterfeit PSA & PSA/DNA documents using certification numbers derived from public sources.
As a general rule, PSA encourages the purchase of PSA & PSA/DNA certified items from Authorized Dealers.