Coin Alteration

Counterfeit Detection: Take a Look at Whizzed Coins

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Counterfeit Detection Take a Look at Whizzed Coins

The art of numismatics involves more than just collecting coins; it also requires an understanding of how to spot counterfeits and altered coins. Among the various techniques used to deceive collectors, whizzing is one of the most common methods of coin alteration. A whizzed coin might look dazzling at first glance, but its artificial shine … Read more

From the PCGS Coin Grading Room: Surface Smoothing and Other Metal Mischief

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From the PCGS Coin Grading Room Surface Smoothing and Other Metal Mischief

In the world of numismatics, the authenticity and quality of coins are of paramount importance. One of the key elements that determine a coin’s value is its grade, which takes into account factors such as its condition, appearance, and any potential alterations it may have undergone. A growing concern in the industry is the practice … Read more