New £1 'most secure coin in the world'
A new 12-sided £1 coin will come in to circulation in March.
It's the first time the pound coin has been changed in more than 30 years.
Simon Gompertz visited the mint.
A new 12-sided £1 coin will come in to circulation in March.
It's the first time the pound coin has been changed in more than 30 years.
Simon Gompertz visited the mint.