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  2. Numismatic Guaranty Company - Wikipedia

    en.wikipedia.org/wiki/Numismatic_Guaranty_Company

    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.

  3. Coin collecting - Wikipedia

    en.wikipedia.org/wiki/Coin_collecting

    Coin collecting is the collecting of coins or other forms of minted legal tender. Coins of interest to collectors include beautiful, rare, and historically significant pieces. Collectors may be interested, for example, in complete sets of a particular design or denomination, coins that were in circulation for only a brief time, or coins with ...

  4. Certified Acceptance Corporation - Wikipedia

    en.wikipedia.org/wiki/Certified_Acceptance...

    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.

  5. Great Kentucky Hoard - Wikipedia

    en.wikipedia.org/wiki/Great_Kentucky_Hoard

    The coins were found in a cornfield in Kentucky sometime before 2023; the exact location was not revealed. The person who found the hoard requested anonymity and sources say that he is a man. Many of the coins were found in the ground with pieces of a cloth bag and one of the coins was damaged from farm equipment.

  6. New Generation Currency Series - Wikipedia

    en.wikipedia.org/wiki/New_Generation_Currency_Series

    The ₱20 coin received its final designs in the same month and the two coins will be released for circulation in December 2019. The 5-piso coin will have a nonagonal shape. The 20-piso coin will be bimetallic. The 20-piso coin will be the second bimetallic coin in circulation after the 10-piso coin of the New Design/BSP series. In 2020, the ...

  7. Coin grading - Wikipedia

    en.wikipedia.org/wiki/Coin_grading

    The quality of all coins is not equal and collectors felt the necessity of defining the quality of the coins in order to assess their value. Rim damage, nicks, polishing, cleaning, scratches and other forms of wear are considered factors in grading a coin. Whether or not a coin shows evidence of having been mounted in jewelry also affects its ...

  8. Glossary of numismatics - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_numismatics

    A coin that has been graded and authenticated by one of numerous independent grading services. [1] See also encapsulated coin. chop-mark See banker's mark. church tokens. Also called Communion tokens. Tokens generally issued initially by Scottish parishes (die stamped one-side only to show the parish) and later in the United States and Canada.

  9. Third-party grading - Wikipedia

    en.wikipedia.org/wiki/Third-party_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 ...