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

PSA's latest grading labels are commanding a premium, which experts think shouldn't be the case. (PSA / eBay) The reason people grade trading cards and seal them in plastic tombs in perpetuity is to ...

PSA, the biggest authenticator of trading cards, has for years had a major loophole that left counterfeit cards appearing to ...

As 2025 comes to a close, GemRate released its annual grading report, and Pokémon emerged as the clear powerhouse, posting ...

A 1961-62 Fleer Wilt Chamberlain rookie card has been downgraded from a Gem Mint 10 to a Mint 9 by PSA. The difference in current market value led to around a $800,000 loss for the collector. Sources ...

Professional Sports Authenticator's parent company Collectors purchased Beckett, PSA's longtime rival in the card grading and authentication industry. Monetary terms of the deal were not made ...

For the second time in the last two years, trading card giant Collectors has consolidated the grading and authentication industry by acquiring a competitor to the company’s premier brand, PSA.

A Steph Curry rookie card graded by Beckett, which is being acquired by Collectors. Photo: KENA BETANCUR/AFP via Getty Images Collectors, the parent company of leading trading card grader PSA ...

A prostate-specific antigen (PSA) test is a blood test that measures a protein released in the blood by prostate cells. Both normal and cancerous prostate cells release the protein. Most of the time, ...

Dan Hajducky is a staff writer for ESPN. He has an MFA in creative writing from Fairfield University and played on the men's soccer teams at Fordham and Southern Connecticut State universities.

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The standard technique for measurement of serum PSA levels, although accurate and reliable, requires expensive equipment and skilled medical personnel, which prohibits mass screening. Azzouzi and ...