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  2. Category:Coin grading - Wikipedia

    en.wikipedia.org/wiki/Category:Coin_grading

    Pages in category "Coin grading". The following 13 pages are in this category, out of 13 total. This list may not reflect recent changes . Coin grading. Coin slab.

  3. VAM (Morgan and Peace dollar die varieties) - Wikipedia

    en.wikipedia.org/wiki/VAM_(Morgan_and_Peace...

    There are in more than 3,000 different VAMs however the coin certification company Professional Coin Grading Service (PCGS) does not recognize all of them. They recognize 52 VAM Peace dollars and 317 Morgan dollar VAMs [2] A VAM can be a small change in dies like a different sized mint mark , or something more dramatic like a repunched date.

  4. 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 .

  5. 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 ...

  6. Notaphily - Wikipedia

    en.wikipedia.org/wiki/Notaphily

    Various third party grading companies (TPG) offer the service of authentication, grading and cataloging of common varieties of paper currency. These TPGs typically use a seventy-point grading scale to describe the note. Additional notations may be made for exceptional paper quality or other varieties.

  7. Cameo (coinage) - Wikipedia

    en.wikipedia.org/wiki/Cameo_(coinage)

    Cameo (coinage) Cameo finish. A standard uncirculated Lincoln cent. A Lincoln cent displaying deep cameo. In coin grading, cameo is the amount of contrast between the relief (raised or recessed design) and field (background). Cameo is usually seen on proof coinage, with the relief featuring a frosted finish and the field being mirror-like. [1]

  8. Coin cleaning - Wikipedia

    en.wikipedia.org/wiki/Coin_cleaning

    Coin cleaning is the controversial process of removing undesirable substances from a coin's surface in order to make it more attractive to potential buyers. The subject is disputed among the numismatic community whether cleaning coins is necessary. Those that argue in favor of cleaning are also in dispute on which methods work best.

  9. Paper currency grading - Wikipedia

    en.wikipedia.org/wiki/Paper_currency_grading

    Paper currency grading is the process of determining the grade or condition of a bank note, one of the key factors in determining its collectible value. A banknotes grade is generally determined by crispness (Rigid, not limp paper), brightness, and depth of color. Other factors that are taken into consideration include centering of the printed ...

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