This month marks 25 years since the £2 coin first went into circulation back in June 1998 - with over 400 million of them going around in our change today.
While most of us will be familiar with the standard look of the £2 coin pictured above, sporting an abstract spiral design on its reverse side by Bruce Rushin which symbolises the history of technological achievement, there have actually been 63 different designs of the coin over the years. According to experts at Coin Hunter, 37 of these designs are currently in circulation - meaning you're in with a chance of finding some of the rarer editions in your pocket.
As the highest-value coin in circulation in the UK and the country's first bi-metallic coin to be produced since the 1600s, the £2 coin is pretty interesting in itself, but there are some designs that are particularly sought after by collectors. In May, Change Checker released its newest "scarcity index", breaking down which £2 coins are likely to fetch the highest price today - here are the ones worth keeping an eye out for, The Mirror reports.
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According to the experts, the rarest £2 pieces are from the 2002 Commonwealth Games collection created to mark the games hosted in Manchester 21 years ago, which all feature the same design of a runner with a flag on their reverse side. However, there are four different types of this special edition to look out for, each sporting the flag of one of the UK's four nations.
The most sought-after in the collection is currently the Northern Ireland version, followed by Scotland and then England. There are around 485,000 of the Commonwealth Games coin sporting the Northern Ireland flag in circulation today, and this sought-after coin has sold for around £35 on eBay in recent months.
Meanwhile, there are approximately 771,750 of the Scotland version in circulation, which go for around £28 on the selling platform. And when it comes to the England design, these sell for about £8 with 650,500 currently in circulation.
Other notable £2 coins highlighted in the index include the 2008 Olympic Handover Ceremony coin, which was created to celebrate the handover of the games from Beijing to London. If you find this in your pocket, you'll be able to double its value with an average selling price of around £4 on eBay and similar sites.
Taking fifth place in the £2 scarcity index is the 2015 First World War (Navy) £2 coin, which was created to commemorate the centenary of the First World War and pays tribute to the Royal Navy. Once again, this coin is worth around £3 to £4 if sold to a collector.
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