The rare coins website Change Checker has a recently updated eBay tracker, which claims that some 50p coins can fetch significant sums in the secondary sale market. 2011 Olympic Shooting, 1,656,500 Are the rare 50p coins valuable? Here are the rarest 50p designs in circulation, with their year and their total mintage, according to the Royal Mint:ġ0. “The Kew Gardens (50p) remains the most coveted coin, with a mintage of just 210,000, but it’s always exciting to find a special design in your change.” Beatrix Potter coins such as the Peter Rabbit 50p are among the rarest in circulation (Photo: PA) What are the rarest 50p coins in circulation? The Royal Mint’s director of UK currency Mark Loveridge said: “Coin collecting remains as popular as ever, and we were delighted to release a number of special designs into circulation in 2019. The 10 most valuable and rare 50p and £2 coins in circulation – and how much they’re worth