You don’t usually see errors with proof coins, but there are exceptions. One involved 1975 dime proof sets, which that lacked an “S” mintmark (from the San Francisco Mint).

In COD We Trust”? Nope, not a new Mint variety—just a misunderstood quarter (and maybe some grease). Here’s what really ...

He said: “These rare error coins were never meant for circulation and most were included in special sets making them ...

You don’t usually see errors with proof coins, but there are exceptions. One involved 1975 dime proof sets, which that lacked an “S” mintmark (from the San Francisco Mint).

A man who inherited a unique $5 bill from his late grandmother could be sitting on hundreds of thousands of dollars now. The rare currency from 1988 is misprinted on its bottom right corner with a ...

Norsk Tipping apologised to 47,000 gamblers for incorrect lottery winnings due to a currency error; Prize amounts were wrongly multiplied by 100 instead of divided by 100 from euro cents to kroner; ...

A Norwegian lottery company has apologised to 47,000 gamblers who were mistakenly told they had won huge sums in a lottery, ...

You don’t usually see errors with proof coins, but there are exceptions. One involved 1975 dime proof sets, which that lacked an “S” mintmark (from the San Francisco Mint).

You don’t usually see errors with proof coins, but there are exceptions. One involved 1975 dime proof sets, which that lacked an “S” mintmark (from the San Francisco Mint).

As with just about any asset, a coin's value is determined by its market demand. This means that coins in short supply often see higher demand -- and higher values. With coins, supplies are limited ...