Brits are being encouraged to check for a rare 50p coin which could be worth £225.
The coin was originally released back in 2009 as part of a Blue Peter competition ahead of the 2012 Olympics in London. It features a drawing of an athlete doing a high jump, drawn by nine-year-old Florence Jackson.
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The coins originally sold for over £1, with around 20,000 being produced, but now they're selling for hundreds on eBay.
One coin can be seen listed on the auction site for £298, while another for £299 and a third for a whopping £399.
One seller recently sold the coin for £225 with 17 different bids on the rare item which was listed as a 'rare uncirculated Blue Peter winner's edition 50p coin pack 2009'.
If you do have or find one of the coins, it's important to check the year as the second edition was released two years later, in 2011.
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Around 2.2 million coins were released in 2011, meaning they aren't as rare and therefore will not be as valuable.
Earlier this week, The Royal Mint revealed its top ten rarest 50p coins, currently in circulation.
The Kew Gardens coin remains the rarest, with 210,000 created with this design. It was made to mark the 250th anniversary of the gardens back in 2009 and one seller managed to sell theirs for £700 on eBay.
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Meanwhile, 50p coins created in 2011 for the London Olympics are also among the most valuable, while the Beatrix Potter designs - including Flopsy bunny and Peter Rabbit - are also sought after, with just 1.4 million produced in 2018.
Last year, The Royal Mint announced it was releasing a new coin collection taking inspiration from Alice's Adventures in Wonderland.
The coins were made in collaboration with the Victoria and Albert museum, in order to properly commemorate the much-loved novel by Lewis Carroll.
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Using traditional minting techniques and innovative design technology, the coin is one of the most ornate in The Royal Mint's history, with the fine detail showing the illustration in full colour. Prices of the coin can range from £13 to an eye-watering £2,440.
Clare Maclennan Divisional Director of Commemorative Coin at The Royal Mint said: "Alice's Adventures in Wonderland is a true classic that has been cherished by generations of adults and children of all ages and is still as popular today.
"In collaboration with the V&A, we have commemorated this treasured tale for the first time on an official UK coin."
Topics: News
Lucy Devine