Making money at the Royal Mint
23 July 2013 Last updated at 23:55 BST
The Royal Mint makes billions of coins every year at its high-security site near Llantrisant, south Wales, but you will not find any in the pockets of its workers.
So how do you make money and how do staff pay for things without any? The BBC's Kevin Peachey was given special permission to visit the Mint and find out more about what goes on inside.