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2. Professional Sports Authenticator - Wikipedia

   en.wikipedia.org/wiki/Professional_Sports...

   In an interview with the Washington Post, Moser stated that he does not alter cards, and that he assesses cards to determine if they are "undergraded" - a term used to explain when a card may have been inaccurately graded by a grading company such as PSA. If Moser saw a card that looked to be undergraded, he would remove the card from the card ...

3. Collectors Universe - Wikipedia

   en.wikipedia.org/wiki/Collectors_Universe

   Collectors Universe Inc. is an American company formed in 1986, now based in Santa Ana, California, which provides third-party authentication and grading services to collectors, retail buyers and sellers of collectibles. Its authentication services focus on coins, trading cards, sports memorabilia, and autographs.

4. PSA Reopens All Card Authentication and Grading Services - AOL

   www.aol.com/news/psa-reopens-card-authentication...

   PSA has just announced that it has officially caught up with all its backloaded cards for grading....

5. List of most expensive sports cards - Wikipedia

   en.wikipedia.org/wiki/List_of_most_expensive...

   Cards are evaluated by third-party services, most often Professional Sports Authenticator (PSA), Beckett Grading Services (BGS) and Sportscard Guaranty (SGC), and given a grade on a ten-point scale based on condition. [5] The images below do not necessarily represent the individual specimen sold but are representative of the given cards.

6. Billion dollar sports cards business faces key backlog [Video]

   www.aol.com/news/chaos-in-collectibles-industry...

   Back on March 30, PSA Authentication and Grading Services, a company long considered the gold standard in the sports card collectibles grading field, shut down several of its services. The reason ...

7. 4 Rare Baseball Cards Expected To Soar in Value in the Next 5 ...

   www.aol.com/finance/4-rare-baseball-cards...

   Find Out: 5 Unusual Ways Money That Actually Work. ... (PSA), Beckett Grading Services (BGS), and Sportscard Guaranty Corporation (SGC) as some of the more esteemed grading services.

8. Prostate-specific antigen - Wikipedia

   en.wikipedia.org/wiki/Prostate-specific_antigen

   Prostate-specific antigen (PSA), also known as gamma-seminoprotein or kallikrein-3 (KLK3), P-30 antigen, is a glycoprotein enzyme encoded in humans by the KLK3 gene.PSA is a member of the kallikrein-related peptidase family and is secreted by the epithelial cells of the prostate gland in men and the paraurethral glands in women.

9. What Your PSA Test Says About Your Prostate - AOL

   www.aol.com/psa-test-says-prostate-110000368.html

   THE PSA IS a good initial “check engine light” for the prostate, ... Prostate cancer is usually graded between 6 and 10, Dr. Levin says. Scores below 6 are rarely used. (This is important; see ...