In the mid-1400s, many celebrated artists, goldsmiths, silversmiths and engravers were attracted by the abundance of wealth in the city of Florence, but the most important factor in this gathering of talent was the presence of the Medici family. Gems of the Medici, a world-premiere exhibition, highlights some of the oldest and most unique pieces of the Medici collections including antiquities dating from the 1st Century BCE as well as a cornelian which was part of the Seal of Nero. Details here.