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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. It has certified more than 60 million coins.

  3. Coin grading - Wikipedia

    en.wikipedia.org/wiki/Coin_grading

    Professional Coin Grading service (PCGS), Numismatic Guaranty Corporation (NGC), Independent Coin Graders (ICG), and American Numismatic Association Certification Service (ANACS) are the most popular services. These are the only services whose coins have a special section on eBay, the largest rare coin marketplace.

  4. 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 ...

  5. Rare 1776 continental dollar coin found inside toffee tin to ...

    www.aol.com/rare-1776-continental-dollar-coin...

    The silver versions of the coins are extremely rare and only two are known to exist, according to the Professional Coin Grading Service, a rare coin grading company. About 20 pewter continental ...

  6. Coin slab - Wikipedia

    en.wikipedia.org/wiki/Coin_slab

    Top left NGC, ANCS, PCGS, bottom left ANCS, PCGS. Coin slab is a type of holder for a coin. Slabbed coins are typically from one of the coin grading companies. The practice of sending coins to third-party grading companies and then "slabbing" them began in 1986.

  7. 1893-S Morgan dollar - Wikipedia

    en.wikipedia.org/wiki/1893-S_Morgan_dollar

    The two largest coin grading companies, PCGS and NGC, have graded 47 in higher grades. [7] In 2014 the Eliasberg 1893-S Morgan dollar sold for US$646,250 at auction. It is a Professional Coin Grading Service (PCGS) graded coin in MS-65. [1] In 2021, a PCGS graded 1893-S Morgan dollar in MS-67 sold for US$2,086,875.00. [6]

  8. Michael "Miles" Standish - Wikipedia

    en.wikipedia.org/wiki/Michael_"Miles"_Standish

    [citation needed] He was the first full-time coin grader at Professional Coin Grading Service. In the course of his career, Standish graded between 1,000,000 and 2,000,000 coins, including a number of significant rarities, such as the 1913 Liberty nickels and all of the 1804 dollars.

  9. Professional Coin Grading Service - Wikipedia

    en.wikipedia.org/wiki/Professional_Coin_Grading...

    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.