Some of the rarest and most valuable coins in U.S. history owe their worth to minting errors that slipped through unnoticed. Coins like the 1943 Copper Penny, struck in copper instead of wartime ...

Most of these coins aren't worth anything more than $0.25. However, some coins with a high mint state (MS) rating, certain defects, or important history may be worth more. Most Valuable State Quarters ...

One of the coins was previously priced at $500 (£369.86) but the record sale for one of these pieces is a staggering $372,000 (£275,182). 2000 P25 Cents - £18,500 ...

Before you toss your old pennies in the coin jar, take a closer look at them. They could be worth thousands of dollars to avid coin collectors -- that's a lot of money for pennies. Explore More: 6 ...

Brits are urged to keep an eye out for a highly valuable coin that could fetch up to £1,000. This seemingly ordinary two pence piece is highly sought after by collectors. However, the coin, from ...

Coin errors Coin Market CoinClinic: Manufacture Errors Have Modest Value In COD We Trust”? Nope, not a new Mint variety—just a misunderstood quarter (and maybe some grease). Here’s what really counts ...

Brits are being encouraged to keep their eyes peeled for a rare penny coin that could be worth a small fortune. This particular bronze coin, potentially fetching up to £600 at auction, boasts an ...

But in the past, Kew Gardens coins have sold for up to £700. The third, a coin known as the Offside Rule 50p, is one of twenty-nine commemorative 2012 Olympic 50ps issued by The Royal Mint.