A history of decimalisation
For hundreds of years Britain used a system of coinage based on twelve pennies to the shilling and twenty shillings to the pound. Find out more about the changeover to the currency we are familiar with today.
The pre-decimal currency system consisted of a pound of 20 shillings or 240 pence.
In 1966 the decision to adopt a decimal currency system, required the Mint to strike millions of decimal coins.
Explore a virtual tour of our temporary exhibition celebrating 50 years of the Royal Mint in Wales.
On 1 March 1966 the Chancellor of the Exchequer, James Callaghan, announced that the centuries-old £sd system would be replaced by a decimal currency.
Christopher Ironside prepared the reverse designs for all new denominations introduced during decimalisation.
When the old-sized 10p pieces ceased to be legal tender at the end of June 1993, florins of the former £sd coinage were removed from circulation.
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Not unnaturally, perhaps, film-makers have always been keen to record footage of the Royal Mint in operation.