The late painter and PBS icon Bob Ross famously said there are no such things as mistakes with art, only “happy accidents.” When it comes to the art of coin production, those happy accidents can make ...

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 ...

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 ...

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 ...

Ahead of the 2012 Olympics, a number of 50p coins were issued bearing images of different sports associated with the four-yearly event. They were all dated 2011 as they were issued the year before the ...