Boy Notices Odd Mark On Old Coin, Discovers Its Worth

Minting Errors

To a collector, errors in the minting process are just as valuable as flawless coins that are rare. Due to these “error” coins’ anomalies and flaws, they are a rare commodity. As soon as a coin with an error leaves the mint undetected and goes into circulation, its value increases.

So, when an error coin remains in circulation for a long period of time, its value increases exponentially.