Minting coins isn't exactly an exact science. Even though most coins are perfect and uniform, small mistakes can result in error coins that are super valuable and ...

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 ...

The 1943 Copper Penny: A Wartime Miracle During World War II, the United States Mint struck pennies from zinc-coated steel planchets to help save copper for ammunition shells. A handful of copper ...

Like the leaning tower of Pisa, error coins demonstrate the alluring appeal of human error. Error coins account for some of the most rare and valuable collectable ...

The 1990 penny error coins represent some of the most exciting finds for modern coin collectors. This year marked a significant transition in U.S. Mint production ...

A rare 2001-D Lincoln cent, a "mule error" coin with a dime reverse, has fetched over $100,000 at auction. This unique coin, created by a minting mistake in Denver, features Abraham Lincoln on the ...

People have been advised to examine their loose change for four specific coins that together could fetch more than of £1,000. However, these particular pieces must display certain defects to command ...

You never know when you might come across a valuable error coin, so it helps to know what to look for. Error coins can be divided into the following general ...