What does ‘PSA’ mean – Definition – The Sports Card Glossary
PSA stands for Professional Sports Authenticator and they are the largest and most prestigious of the major sports card grading companies. Owned by Collectors, PSA was established in 1991 to…
How to Prepare your Cards for Grading: Get more Gem Mint 10’s!
This post is part of a larger series called How To Grade Sports Cards – The Best Step-By-Step Guide. Be sure to check out the entire guide! Table of Contents…
