For 2021 to celebrate the 100th Anniversary of the Discovery of Insulin, the Royal Mint released a Limited Issue Brilliant Uncirculated Insulin 50p Fifty Pence Coin Pack Sealed.

The reverse, designed by Iris De La Torre features an interpretation of the structure of insulin along with its molecular formula while the obverse has the stunning portrait of Her Majesty Queen Elizabeth II by Jody Clark

• Limited Mintage of 15,123 Worldwide
• Struck to Brilliant Uncirculated Standard – a Finer Finish than Circulating Coins
• Celebrating the 100th Anniversary of the Discovery of Insulin
• Honouring the Incredible Legacy of John Macleod, Sir Frederick Banting, Charles Best and James Collip
• The Fifth Coin in the Popular Innovation in Science Series
• Produced in Collaboration with the University of Aberdeen
• Royal Mint Presentation Pack Sealed