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 ...

Ever thought about digging through your pocket change? Turns out there might be real treasure hiding in plain sight. Certain ...

Errors increase the value of collectibles because a limited number go into circulation before it is spotted and corrected.

A manufacturing error on the 1999 Georgia state quarter has increased the coin’s value, and some collectors are paying as much as $10,000 for the affected 25-cent pieces.

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 ...

Brits have been urged to check their change for a rare £2 coin worth far more than its face value. According to an expert, this piece could sell for more than £1,000 - but only if it has a certain ...

A rare 20p coin has sold for almost 200 times its face value after a subtle minting error sent its price soaring – and the ...

— Melrose resident Joe Andrews is longtime coin appraiser and an expert in the field of numismatics. His “Coin Corner” is a recurring column in the Free Press and WickedLocalMelrose.com. He has ...

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 ...

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 ...