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Numismatic Guaranty Company (NGC) is an international third-party coin grading and certification service based in Sarasota, Florida. It has certified more than 60 million coins. NGC certification consists of authentication, grading, attribution, and encapsulation in clear plastic holders.
CAC has evaluated over 650,000 certified coins with a value of over $2.9 billion. The company has over 400 dealer members and over 500 collector members. The firm's website maintains a free serial number verification service, which helps deter CAC sticker counterfeiting, and Population Report, which assists in determining coin rarity. [9] [10 ...
Counterfeit NGC and PCGS holders have been reported, but significant measures have been taken by both services to remedy the problem, such as NGC's use of photographic verification for every coin certified and both services' employment of serial number verification and anti-counterfeiting features in their holders. [15] [16] [3] [4]
For example, an otherwise "near mint" condition book with a 4-inch back cover tear would be given a Qualified grade of "9.0, back cover 4-inch tear." Signature Series (yellow) A book signed by someone of significance to the comic, as witnessed by an employee of CGC, and the signature certified as authentic. Signature Series Restored (yellow/purple)
PCGS certified 1904-O MS 63 in a coin slab. The PCGS holder, or a Coin slab which is made of clear, inert plastic and is stackable. Anti-counterfeiting measures include a hologram on the back, markings within the holder, and Near Field Communication (NFC) chip embedded in some holders. [10]
Third-party grading (TPG) refers to coin grading & banknote grading authentication, attribution, and encapsulation by independent certification services.. These services will, for a tiered fee depending on the value of the coin, "slab" a coin and assign a grade of 1–70 on the Sheldon grading system, with 1 being the lowest grade, with only faint details visible to 70, a practically perfect ...
The routing number verification can provide the bank's name, address for processing, and phone number. Some routing number verification systems use an algorithm to validate the routing number, rather than cross reference the results in a database. Routing number verification is limited to verifying the bank name, address and phone number and ...
SGS (formerly Société Générale de Surveillance (French for General Society of Surveillance)) is a Swiss multinational company headquartered in Geneva, which provides inspection, verification, testing and certification services. Its 99,600 employees operate a network of 2,600 offices and laboratories worldwide. [2]