Decimalisation | The Royal Mint

Celebrating 40 Years of Decimalisation

The Story of Decimalisation

Decimal Coinage - early in 1971 Britain's monetary system saw its biggest change for more than 1000 years. To celebrate the 40th anniversary of decimalisation, the Royal Mint invites you to explore the story of decimal coinage.

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The Decimal Debate

Decimalisation was the subject of passionate debate for centuries.  Rationale presented by decimal enthusiasts was opposed by those who were cautious of the effects of a new decimal coinage system.  Find out more in the story of the Decimal Debate.

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Making the Change to Decimal Coinage

The changeover to decimal currency affected the day-to-day lives of every British citizen in the United Kingdom.  Find out how the Government prepared for Decimal Day by launching one of the most intensive publicity campaigns ever directed at the people of Britain.

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A New Royal Mint

Hundreds of millions of bronze coins needed to be minted in readiness for decimalisation and in April 1967 it was announced that a new Royal Mint was to be built at Llantrisant, ten miles or so to the north-west of Cardiff in South Wales.

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Decimal Coin Designs 40 Years On

On Monday 15 February 1971, Britain went decimal, however 40 years after the first decimal coins entered circulation it was time for rejuvenation. Discover the inspiration behind Matthew Dent’s new designs.

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