The recent announcement from PSA regarding delays in their receiving process has sparked discussions across the sports card ...

Opinions expressed by Forbes Contributors are their own. Dave Knox is a writer focused on startups, tech, innovation, and CPG. PSA, which authenticates and grades collectibles, has seen a surge in ...

Over the past year, more than 400,000 of his cards were graded by PSA, putting him far ahead of the player in second place, Michael Jordan, who had 138,000 fewer cards graded.