If you've ever run across a blank coin, chances are you thought a metal token got mixed in with your change by mistake. In fact, blank coins are not uncommon due to errors during the minting ...

The first coin to feature a woman, the Susan B. Anthony dollar can also be quite valuable. It's worth taking a quick look through your dollar coins to see if you have one of these beauties. While ...

The rare 20p coin is blank on one side (Image: Getty Images/iStockphoto) A rare 20p coin has sold for £430 on eBay - because one side is completely blank.

A RARE 20p coin has sold for a whopping £430 on eBay, all because one side is completely blank. The error coin is missing the design on one of its faces – The ...

A 20p coin has been causing a stir among collectors after it was revealed that it could be worth more than £1,000 - and it's all because of an unusual error ...

The most valuable blank coin listed on the U.S. Coins Guide site is a 90% silver dollar without a raised rim valued at $1,600 or more. The same type of silver dollar with a raised rim is valued at ...

Larger blank coins like those intended to be Eisenhower Dollars or Sacajawea Dollars also fetch higher prices than smaller coins. In these cases, you should be able to get anywhere from $10 to $30 ...