In 2022 to celebrate the Alan Turing the final coin in the Innovation in Science Series, the Royal Mint released a Limited Issue Alan Turing 50p Fifty Pence Silver Proof Coin struck in solid .925 Sterling Silver.
The reverse, designed by Matt Dent and Christian Davies incorporates elements of codebreaking as a fitting tribute to Alan Turing while the obverse features a portrait of Her Majesty Queen Elizabeth II by Jody Clark.
These legal tender coins have been struck to proof quality using specially prepared dies and highly polished blanks.