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2. 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. [4][5] The firm has divisions in Europe and Asia, and is owned by parent ...

3. Coin grading - Wikipedia

   en.wikipedia.org/wiki/Coin_grading

   Coin grading. Coin grading[1] is the process of determining the grade or condition of a coin, one of the key factors in determining its collectible value. A coin's grade is generally determined by six criteria: strike, preservation, luster, color, attractiveness, and occasionally the country/state in which it was minted.

4. 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 (CCG ...

5. I’m a Rare Coin Collector: How To Spot Valuable Coins

   www.aol.com/finance/m-rare-coin-collector-spot...

   According to Heritage Auctions, “U.S. coins are avidly collected by date and mintmark, and the presence or absence of a mintmark can mean huge differences in the value of a coin.”. The famed ...

6. Certified Acceptance Corporation - Wikipedia

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

   Grading standards have changed over the years. Because collectors and dealers have gotten more selective, an informal "sub-grade" system has evolved. "A" coins are the best of the grade, "B" coins are "solid", and "C" coins are at the low end of a particular grade based on the Sheldon scale, e.g., MS-65. CAC stickers are intended to standardize ...

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

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

   September 5, 2024 at 5:36 PM. One dollar will be worth a lot more than that — as a rare 1776 continental dollar coin is set to go to auction next month. Wotton Auction Rooms told CBS News in an ...