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 steel ...

Most people never think twice about the change jingling in their pocket. Yet tucked inside ordinary coin rolls and forgotten jars on kitchen counters, some of the most extraordinary accidents in ...

A coin sitting in a jar or drawer could be worth thousands of dollars if it has a rare mistake from the U.S. Mint. Some 1999 ...

A group of experts issued a warning about George Washington dollar coins altered to look like valuable ones that left the U.S. Mint without “In God We Trust” on their edges. Collectors have reported ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The Christian Science Church, and we’ve always been transparent about that. The Church publishes the Monitor ...

It looks like the U.S. Mint has struck again -- or actually, not struck again. Some of the new dollar coins featuring John Adams are missing edge inscriptions including "In God We Trust," according to ...

An expert has urged Brits to examine their change for a rare coin that could be worth over £1,000. This highly sought-after ...

LONDON — Next time you’re in Britain, check your change. The Royal Mint admits it has made a rare error, producing coins without a date on them for the first time in centuries. The mint said today ...