Old style British pound coins will cease to be legal tender from 15th October 2017, but before you hurry to spend them all, it is worth checking if the ones in your wallet are worth anything.
One in particular holds a good value, and is selling on eBay for up to twenty times what it is worth.
The Cardiff City £1 is the one to look out for, as it is being sold on eBay for up to £20.
There are coins for each of the capital cities, with Edinburgh being the rarest coin. Only 935,000 of these were minted, and it was released in 2011.
Not everyone has been savvy enough to hold on to this or other coins, with more than a billion round pounds returned to cash centres since the new 12-sided coins launched.
However they have said they would consider introducing this service due to growing demand from customers.