In the world of sports cards, Pokémon, Yu-Gi-Oh!, and other collectible trading cards, proper card storage isn’t just about organisation — it’s about protection, preservation, and presentation.

Professional Sports Authenticators, or PSA as it’s known by memorabilia and trading card collectors worldwide, is the gold standard when it comes to rating and grading hobbyists’ holdings, especially ...

PSA released its yearly list of most graded cards Thursday and Shohei Ohtani led the way in 2023, with four of his cards among the top 10. PSA — “Professional Sports Authenticator” — handles more than ...