The Royal Mint is marking the 100th Anniversary of the discovery of insulin in 1921 with a highly collectable silver Proof Piedfort that boasts a fascinating design! The reverse showcases an artistic interpretation of the structure of insulin, along with its molecular formula! The interplay of the frosted ‘molecules’ against a glistening silver flan makes for a very attractive coin!

This British legal tender 50p coin is part of the popular Innovation in Science series and celebrates one of the most remarkable medical feats of the twentieth century! Of global significance, the discovery of insulin by Dr John Macleod, Sir Frederick Banting, Dr Charles Best and Dr James Collip, revolutionized both the therapy and prognosis of diabetes and changed the lives of millions of diabetics around the world!