According to the PCGS Certification Database, the requested certification number is defined as the following:
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Verification of certification numbers on the PCGS Certification Database does not eliminate the risk of buying counterfeit and altered coins. Though uncommon, counterfeiters may also counterfeit PCGS grading inserts using actual certification numbers derived from public sources.
As a general rule, PCGS encourages the purchase of PCGS verified coins from PCGS Authorized Dealers.
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Data entry errors occasionally may occur causing the information on the coin holder to differ from the PCGS database. If the information listed above appears to be incorrect, please contact PCGS Customer Service at (800) 447-8848.
PCGS Cert Verification App: Before you buy any PCGS graded coin, quickly verify its authenticity and quality by scanning or entering the coin's 7 or 8 digit certification number.