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  2. Numismatic Guaranty Company - Wikipedia

    en.wikipedia.org/wiki/Numismatic_Guaranty_Company

    NGC was founded in 1987 in Parsippany, N.J. by John Albanese, who also founded Professional Coin Grading Service. A majority stake was later purchased by coin dealer Mark Salzberg. Along with CEO Steven Eichenbaum, Salzberg owns the CDN Greysheet, a price guide for coins similar to the Kelley Blue Book. [2]

  3. 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.

  4. International Association of Professional Numismatists

    en.wikipedia.org/wiki/International_Association...

    The International Association of Professional Numismatists (IAPN), founded in 1951, is a non-profit organisation of the leading international numismatic firms. The objects of the association are the development of a healthy and prosperous numismatic trade conducted according to the highest standards of business ethics and commercial practice.

  5. 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.

  6. Michael "Miles" Standish - Wikipedia

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

    Standish was one of American numismatics' most recognized graders and authenticators of coins. [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 ...

  7. Numismatic associations - Wikipedia

    en.wikipedia.org/wiki/Numismatic_associations

    Berufsverband des Deutschen Münzenfachhandels (Professional Association of the German Coin Trade) Gesellschaft für Internationale Geldgeschichte (GIG) (Society for International Monetary History) Verband der Deutschen Münzenhändler (Association of German Coin Dealers)