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

When it comes to modern day card collecting, the 2009–10 Topps NBA Basketball set is one of the most sought not only for the iconic rookie class (which includes names like Steph Curry & James Harden) ...

PSA has expanded one of its newest marketplace features to include cash offers for cards as soon as grades are revealed, the company announced Tuesday. Previously limited to vaulted items, the PSA ...

This recap examines the key Michael Jordan card sales in 2025, PSA 10 graded trends, and how the Jordan market compares with ...