Same card, same grade, different grading label? It's become enough to alter the overall value on the secondary market.

Forbes contributors publish independent expert analyses and insights. Dave Knox is a writer focused on startups, tech, innovation, and CPG. PSA, which authenticates and grades collectibles, has seen a ...

Online marketplace eBay is adding a new feature that will allow customers to send eligible raw card purchases directly to PSA for grading. The program will begin rolling out Monday, with buyers seeing ...