Comparing an erroneous coin side-by-side to a standard one, he flipped them over to reveal the Queen Elizabeth II bust and pointed out a "die clash error", which appear like scratches.

Coin errors are nothing new – over the years, there have been coins missing inscriptions, coins struck on the wrong metal, and even coins that were accidentally made on everyday objects.

A misprinted U.S. dollar coin could provide financial salvation for Frank Wallis of Mountain Home, Arkansas. Just three weeks after he declared personal bankruptcy, Wallis purchased four rolls of ...

The 20p piece was a "mule coin" meaning the design on its "heads" side would not usually go alongside the design featured on its "tails" side. 2 The 20p coin had been minted with the wrong design ...

However, the “genuine mule error” was created with the accidental union of mismatched obverse and reverse sides. The coin was supposed to be printed with the 200th anniversary of the arrival ...

There used to be a saying -- "pennies make dimes and dimes make dollars" -- that stressed the importance of saving your money (the phrase later showed up in a country song). Today, some Lincoln ...