![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?strip=all&quality=100&w=1080&h=1000&crop=1)
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
![Old pound: Up to 450 million in round £1 coins still in use with just two days before deadline | London Evening Standard | Evening Standard Old pound: Up to 450 million in round £1 coins still in use with just two days before deadline | London Evening Standard | Evening Standard](https://static.standard.co.uk/s3fs-public/thumbnails/image/2017/07/27/14/oldonepoundcoin2707a.jpg?width=1200)
Old pound: Up to 450 million in round £1 coins still in use with just two days before deadline | London Evening Standard | Evening Standard
![Millions of old £1 coins have still not been handed in - do you still have one? - Stoke-on-Trent Live Millions of old £1 coins have still not been handed in - do you still have one? - Stoke-on-Trent Live](https://i2-prod.stokesentinel.co.uk/incoming/article619250.ece/ALTERNATES/s1200c/Old-%C2%A31.png)
Millions of old £1 coins have still not been handed in - do you still have one? - Stoke-on-Trent Live
![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?
![One of the Old British One Pound Coins through the Use of Trading for so Long, but Still Beautiful. Editorial Image - Image of england, object: 128959335 One of the Old British One Pound Coins through the Use of Trading for so Long, but Still Beautiful. Editorial Image - Image of england, object: 128959335](https://thumbs.dreamstime.com/z/one-old-british-one-pound-coins-use-tradin-one-old-british-one-pound-coins-use-trading-128959335.jpg)