The History of British Coinage: From Celtic Potins to Decimalisation
Explore the evolution of British money, from ancient hand-hammered gold and silver to royal portraiture and modern decimal coins.
The history of British coinage spans over two thousand years, reflecting the political, economic, and technological transformations of the British Isles. The earliest coins recorded in Britain were Celtic cast potins and struck gold staters introduced around 100 BC, heavily influenced by continental Greek and Gallic designs.
Following the Roman invasion of AD 43, Roman coinage became the standard currency across Britannia. Denarii, sestertii, and imperial gold aurei circulated for nearly four centuries until the collapse of Roman authority, after which localized Anglo-Saxon mints revived silver penny production under monarchs like Offa of Mercia and Alfred the Great.
In medieval times, coins were manufactured manually using steel dies and heavy hammers. Hand-hammered silver pennies, groats, and gold nobles dominated trade until 1662, when Charles II introduced industrial steam-and-screw machinery at the Royal Mint, ushering in the era of standardized 'milled' coinage.
On 15 February 1971—known as Decimal Day—the United Kingdom abandoned its centuries-old £sd system (12 pence to a shilling, 20 shillings to a pound) in favor of the modern base-10 decimal system used today.
Today, historic British coins are cherished worldwide as tangible pieces of art and political history, making numismatics one of the most enduring collecting hobbies in existence.