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  2. Coin shows in the United States - Wikipedia

    en.wikipedia.org/wiki/Coin_shows_in_the_United...

    A coin show is an event where coin collectors and coin dealers attend to buy, trade and sell coins. [1] Like other hobby shows, a show hall is arranged with aisles and tables where coin sellers can display their coins. In cities across the United States there are thirty to fifty smaller local shows each weekend.

  3. Numismatics - Wikipedia

    en.wikipedia.org/wiki/Numismatics

    Numismatics is the study or collection of currency, including coins, tokens, paper money, medals and related objects. Specialists, known as numismatists, are often characterized as students or collectors of coins, but the discipline also includes the broader study of money and other means of payment used to resolve debts and exchange goods .

  4. Portal:Numismatics - Wikipedia

    en.wikipedia.org/wiki/Portal:Numismatics

    Reverse: Square incuse punch. Numismatics is the study or collection of currency, including coins, tokens, paper money, medals and related objects. Specialists, known as numismatists, are often characterized as students or collectors of coins, but the discipline also includes the broader study of money and other means of payment used to resolve ...

  5. Portal:Money - Wikipedia

    en.wikipedia.org/wiki/Portal:Money

    The Money Portal. Money is any item or verifiable record that is generally accepted as payment for goods and services and repayment of debts, such as taxes, in a particular country or socio-economic context. The primary functions which distinguish money are: medium of exchange, a unit of account, a store of value and sometimes, a standard of ...

  6. Eric P. Newman - Wikipedia

    en.wikipedia.org/wiki/Eric_P._Newman

    Eric Pfeiffer Newman (May 25, 1911 – November 15, 2017) was an American numismatist. [1] [2] [3] He wrote several "works about early American coins and paper money considered the standards on their subjects", as well as hundreds of articles. [4] Newman sold his coins over auctions in 2013–2014 for over $70 million and used most of that ...

  7. 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. NGC is a subsidiary of Certified Collectibles Group ...

  8. Certified Acceptance Corporation - Wikipedia

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

    Certified Acceptance Corporation (CAC) is a Far Hills, New Jersey third-party coin certification company started in 2007 by coin dealer John Albanese. The firm evaluates certain numismatically valuable U.S. coins already certified by Numismatic Guaranty Corporation (NGC) or Professional Coin Grading Service (PCGS).

  9. ANACS (coin grading company) - Wikipedia

    en.wikipedia.org/wiki/ANACS_(coin_grading_company)

    Originally founded in June 1972 as the American Numismatic Association 's authentication service, ANACS expanded into third-party coin grading in March 1979. ANACS was founded in response to the rise in counterfeit and altered coins in the numismatic marketplace. During the coin collecting boom of the 1960s, counterfeiters would alter common ...