Stack's Rare Coins
Importance of Grading    Revolution    PCGS Solution    Standards    Encapsulation and Storage    PCGS Guarantee    Behind the Scenes    Trading Networks    International Coins    How to Submit

Behind the Scenes at PCGS

PCGS's staff of graders is selected from an elite group of world-class numismatic experts. Each grader is experienced not only in the PCGS standards, but also in the proper handling of all numismatic items.

During grading, each coin is carefully and independently examined. PCGS utilizes a grading scale based on published standards and an extensive grading set of coins.

Once the grading process is complete, the coin (with a certification tag indicating its individual identification number, denomination and grade), is sonically sealed inside a tamper-evident coin capsule.

Finally, it is returned to the grading room for verification by another expert. Only after this final verification is the coin returned to the marketplace with its guaranteed PCGS grade.

Receiving

Each coin received by PCGS is carefully checked against its incoming submission invoice for accuracy. A unique certification number is then assigned from the PCGS computer inventory system. This important process enables PCGS to methodically track coins through every step of the grading process. Numerical labeling combined with generic packaging also provides anonymity as each coin enters the grading room.

Grading Room

The PCGS grading room is home to many of the world's most knowledgeable and experienced numismatists. Each expert works independently in a controlled environment which provides optimum conditions for studying the characteristics and physical condition of each coin. A series of graders enters their independent determinations in a computer database until a consensus is reached and the final grade assigned. In addition to their high level of training, graders rely on our comprehensive grading sets of U.S. and international coins in order to maintain PCGS's grading standard.

Coin Encapsulation

Once graded, each coin is sonically sealed inside its protective, tamper-evident PCGS NumisCap holder. A special tag within indicates the coin's certification number, grade, date, denomination, unique bar code and pedigree if applicable.

Final Verification

As a final quality control check, all PCGS graded coins go back to the grading room for review by a "verifying" grader. The verifier carefully examines each coin through its Tamper-evident holder to ensure the integrity of the sealed capsule, and to check the accuracy of all certification information.

Security-From the moment your coins arrive at our facilities until they are returned to you, PCGS takes great care to ensure the safety of your valuables. In addition to being covered by our liability insurance while on our premises, your coins are further protected by our highly- trained security personnel and state-of-the-art security systems. Each of these components reinforces our commitment to protecting your coins throughout the grading process.

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