2021 15.5g Great Britain Innovation in Science Series - Charles Babbage . 9167 Gold Proof Coin

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Charles Babbage was a lifelong inventor who believed that scientific advancement should benefit everyone. Best known for his mechanical calculator, or ‘Difference Engine,’ his ideas were a century ahead of their time. He also conceived the Analytical Engine, that had many essential features found in modern digital computers.

This UK 50p coin is the fourth release in our Innovation in Science series, which honours some of the greatest minds Britain has ever produced. Available as limited-edition gold Proof, silver Proof and silver Proof Piedfort coins, as well as in Brilliant Uncirculated quality, each one celebrates Babbage’s legacy with a design by Nigel Tudman and Jas Bhamra, linking his machinery to the digital age.


  • The fourth coin in our Innovation in Science series

  • A perfect gift for any science, technology or computing enthusiast

  • This year also marks the 150th anniversary of the death of Charles Babbage

  • The first time Charles Babbage has been celebrated on a UK coin

More Information
Year 2021
Metal Content Gold
Denomination 50p
Purity 0.9167
Condition Proof
Country United Kingdom
Manufacturer The Royal Mint
Mintage 350
Diameter (mm) 27.3
Series Innovation in Science
Box & Certificate Yes