Rare 'misprinted' 20p coin sells for £56 - and you could have one in your pocket

dailystar.co.uk:

Daily Star's biggest headlines straight to your inbox!One rare 20p coin being sold for a staggering £56 after it was discovered it had a significant error following a flurry of eBay bids.On the bidding site, the seller claimed the coin to be a "mule" coin, which is a term used to describe a coin that was printed without a date on it.Thousands of the misprinted coins are thought to have gone out to the public when they were released into circulation, meaning you could potentially be walking around with a very valuable 20p coin in your pocket.20p coin designs were altered by the Royal Mint in 2008, which led to the error.The date showing when the coin was printed was accidentally placed on the front next to the Queen's head when it should be.