![Rarest and most valuable £1 coins worth up to £16 revealed as Royal Mint admits 145million round pounds still haven't been returned | The Sun Rarest and most valuable £1 coins worth up to £16 revealed as Royal Mint admits 145million round pounds still haven't been returned | The Sun](https://www.thesun.co.uk/wp-content/uploads/2019/07/DD-COMP-RARE-POUND-COINS.jpg)
Rarest and most valuable £1 coins worth up to £16 revealed as Royal Mint admits 145million round pounds still haven't been returned | The Sun
![New £1 coin: What to do with your old pound coins - When is the new £1 coin introduced? - When will shops stop taking the old £1 coin? New £1 coin: What to do with your old pound coins - When is the new £1 coin introduced? - When will shops stop taking the old £1 coin?](https://hips.hearstapps.com/goodhousekeeping-uk/main/embedded/37405/one-pound-coin-main.jpg)
New £1 coin: What to do with your old pound coins - When is the new £1 coin introduced? - When will shops stop taking the old £1 coin?
![British One Pound Coins Background Stock Photo - Download Image Now - One Pound Coin, Backgrounds, British Currency - iStock British One Pound Coins Background Stock Photo - Download Image Now - One Pound Coin, Backgrounds, British Currency - iStock](https://media.istockphoto.com/id/1168796799/photo/british-one-pound-coins-background.jpg?s=1024x1024&w=is&k=20&c=nkxfZCQpezM7QMBkp831LwDD33MihVr8BaVO5j8m3HQ=)