Professional Sports Authenticator (PSA) is the company of record for grading trading cards, assigning a numeric grade of 1-10 ...

In 2026, baseball card grading sits at the heart of a booming collectables market that values authenticated and slabbed cards ...

A Prostate-Specific Antigen (PSA) test is a procedure formed on men to detect prostate cancer. It is considered an effective means of cancer screening and can be used to monitor the effectiveness of ...

The recent announcement by PSA regarding delays in their recieving process has caused a stir among collectors, which has led to the consideration of alternative grading companies by collectors as well ...