BRITONS are being urged to check their pockets after a rare 50p coin worth more than 300x its value was sold for a pretty profit online.

The rare coin was released in 2009 to mark 250 years since the Kew Gardens opened in 1759.

A man found the incredibly valuable coin in his pocket

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A man found the incredibly valuable coin in his pocket
It's one of the rarest coins made by the Royal Mint

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It’s one of the rarest coins made by the Royal MintCredit: PA

Only 200,100 copies were made, making the 50p coin very valuable on the resale market.

The stunning coin features the Chinese Padoga and a portrait of the late Queen Elizabeth II.

On eBay, the coin sold for an astounding £172 on Monday – so if you have one in your wallet, you could be in for a hefty payday.

The commemoration coin is the most valuable 50p coin in circulation due to the low amount produced.

Rare 50p coin sells for more than 400 times its value after bidding war
Rare 50p coin worth 1,800 times face value - do you have one in your pocket?

It usually sells for £156 on average, but one seller made a whopping £700 online.

The real value of these particular coins can be a bit of a minefield as it can depend on demand, sentiment and ultimately how much a buyer will pay.

Its low mintage has helped the coin rank as one of the top 10 rarest coins in circulation, according to the Royal Mint.

The Kew Gardens coin is also number one in Changechecker‘s most recent 50p scarcity index, a position it’s held for years as one of the most sought after.

Most read in Money

Coins with rare designs or to commemorate historic figures and events such as The Olympics often attract high values.

Use experts like Coin Hunter to check over your change and see how much it could be worth or refer to the Changechecker scarcity index.

It is worth looking at how other rare coins have sold on eBay

Watch out for fakes though.

Get your coin verified by The Royal Mint to reassure buyers that they’re paying for the real deal if you try to sell it as this can bump up the price.

Rare coins and valuable notes – is yours worth a mint?

This post first appeared on thesun.co.uk

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