Lifestyle Rare coins Check your £1 coins 'closely' for mark that could make them worth over £60 each You may not realise but an ordinary £1 coin in your wallet could be worth more than 60 times ...

But to make this coin especially valuable it needs to bear a tiny crosslet mark. The expert continued: “Most 2016 £1 coins look the same as the later ones but some of them have a tiny cross-led ...

For the coin to be particularly valuable, it must feature a small crosslet mark. The expert added: "Most 2016 £1 coins look the same as the later ones but some of them have a tiny cross-led cross ...

For the coin to be particularly valuable, it must feature a small crosslet mark. The expert added: "Most 2016 £1 coins look the same as the later ones but some of them have a tiny cross-led cross ...

This tiny crosslet cross can be found just below the design near the rim of the coin." ...

It says: “The Royal Mint sold a pair of 2016 coins (this one and the ‘last round pound’) in a card pack including a tiny cross-crosslet mint mark on the 12-sided coin.

For the coin to be particularly valuable, it must feature a small crosslet mark. The expert added: "Most 2016 £1 coins look the same as the later ones but some of them have a tiny cross-led cross ...

For the coin to be particularly valuable, it must feature a small crosslet mark. The expert added: "Most 2016 £1 coins look the same as the later ones but some of them have a tiny cross-led cross ...