THESE rare coins might be hiding in your back pocket or in the back of your sofa – the right one could be worth thousands.

placing the pair among the rarest circulating coins ever produced in the UK. The list is completed by yet more 2012 Olympics designs, with a Tennis 50p in ninth place and a Goalball coin in 10th.

The Atlantic Salmon 50p has become the most sought-after 50p coin in the UK, dethroning the Kew Gardens 50p for the title ...

The 1933 George V penny is a rare and valuable coin with a mega estimated value. It's believed only six or seven of these special coins were ever minted which makes them incredibly rare.

A TikTok user has claimed that the 'rarest ever' 50p coin to be released in the UK is the Atlantic Salmon 50p, which had 200,000 pieces of it minted - do you have one?

While buying known rare coins can be a costly venture ... only about 20 of these coins were ever made because the new Mint experienced numerous mechanical breakdowns. According to USA Coin ...

It's always a good idea to have a declutter, particularly if you're sitting on a small fortune in rare coins at home. Some of these coins can fetch a hefty sum, ranging from hundreds to thousands ...

For those sitting on a stash of change, it might just be time to rifle through your coin collection – certain rare coins are fetching staggering sums well beyond their nominal value. Startlingly ...

Attracting attention from keen collectors, the Royal Mint 50p coin inspired a mini bidding war on online auction site eBay ...