Anne of Brittany's heart jewel case

The Anne of Brittany heart jewel case, often referred to as the Anne of Brittany heart reliquary, is a gold funerary object made in the early 16th century to house the heart of Duchess Anne of Brittany (1477-1514), Queen of France. It has been kept at the Musée Départemental Thomas-Dobrée in Nantes since 1896.