United Kingdom

2021

This commemorative 50 pence coin marks the 100th anniversary of the discovery of insulin, a breakthrough that transformed diabetes from a fatal disease into a manageable condition. The design uses a clean, contemporary visual language inspired by molecular structures, with geometric forms symbolizing insulin molecules and biochemical processes. The engraved chemical formula reinforces the scientific foundation of the discovery, while the polygonal coin shape itself emphasizes innovation. Overall, the coin celebrates medical progress, human ingenuity, and the life-saving impact of modern science on global health.