PSA is the industry leader in sports and hobby card grading as well as autograph and memorabilia authentication. Submit your collectibles for grading today!

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Learn what a PSA test is, plus the limitations and potential harms of the test when used to screen for prostate cancer.

Apr 30, 2025 · The PSA test is a blood test used primarily to screen for prostate cancer. The test measures the amount of prostate-specific antigen (PSA) in your blood. PSA is a protein …

Sep 24, 2025 · PSA began accepting submissions for comic and magazine grading in July, but was immediately forced to increase turnaround times for magazines when tariffs delayed the …

Sep 17, 2025 · A PSA test can detect early-stage prostate cancer while it’s still asymptomatic, but some men are diagnosed with prostate cancer only after symptoms appear. …

Mar 21, 2024 · A PSA (prostate-specific antigen) test is a blood test that helps healthcare providers diagnose and manage prostate cancer. High PSA levels don’t mean you have …

21 hours ago · In fact, he topped the list of PSA's most-collected NBA player cards during the 2025 offseason while finishing above LeBron James, Cooper Flagg and others.

If you are buying for the first time or have experience, understanding PSA's features and benefits can help you make a choice. Below, we answer some of the most common questions about …

Verify the validity of PSA & PSA/DNA certification numbers. Search certs for cards, autographs, tickets, Funko POP! and more. Though uncommon, forgers may counterfeit PSA & PSA/DNA …