Over 30 billion coins are estimated to be in circulation in the United Kingdom today. The Royal Mint has been creating coins since AD 886 and, as such, people across the country own coins which are no longer in use. Some of these coins could possibly be rare and might be very valuable.
Royal Mint's rarest 50ps and other most valuable coins
The Rarest 50p Coins
Great British Coin Hunt 10p
Rare coin of Britain's King Edward VIII fetches record $1.3M
European Coins Archives - Page 75 of 75 - CoinWeek: Rare Coin, Currency, and Bullion News for Collectors
Extremely Rare One-of-One Piece for Auction - Numismatic News
Shop Coins and Bars
The treasure trove of valuable coins that you might well have in your purse - Chronicle Live
British Royal Mint issues rare coins
1 oz Royal Australian Mint Kangaroo Lost Dutchman Rare Coins - Lost Dutchman Rare Coins
Great British Coin Hunt 10p
Top Gold Coins at The Royal Mint