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Coin grading [1] is the process of determining the grade or condition of a coin, one of the key factors in determining its collectible value. A coin's grade is generally determined by six criteria: strike, preservation, luster, color, attractiveness, and occasionally the country/state in which it was minted.
Professional Coin Grading Service (PCGS) is an American third-party coin grading, authentication, attribution, and encapsulation service founded in 1985. The intent of its seven founding dealers, including the firm's former president David Hall, was to standardize grading.
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 ...
Collectors and numismatics professionals use something called the Sheldon Scale to grade coins on a scale of 1 to 70, with coins rated at 70 holding the highest value. Color, the coin’s wear and ...
The firm evaluates certain numismatically valuable U.S. coins already certified by Numismatic Guaranty Corporation (NGC) or Professional Coin Grading Service (PCGS). [1] [2] Coins that CAC deems high-end for their grades receive green stickers, [3] which usually add premiums ranging from single digit percentages to 92% or more.
A coin graded by Sarasota's Numismatic Guaranty Company has been sold for $4 million in a private sale, according to a news release.
In 1995, NGC was named the official grading service of the ANA, though this is purely for marketing purposes as the ANA does not encapsulate coins in its collection, [6] and those that are encapsulated are a mix of donated coins by different services including rivals such as PCGS. [7] In 2004, NGC became the approved grading service of the PNG.
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