Coins selling for well over face value regularly make the headlines - with one rare 50p Brexit coin reportedly fetching as much as £10,000. But how do you spot one likely to be sought after by collectors?
Some coins fetch higher prices because they were released for a limited time or celebrate a certain period of history. There might also have been a 'minting' error making them unique.
Glasgow Live spoke to an expert from Change Checker, who help find, identify, collect and swap circulating coins. She gave her top tips on spotting a valuable coin, where you can sell them - and the coins you can collect now that could be worth a small fortune in years to come.