Leonard Limousin, Portrait of a Huguenot, 1540, enamel painted on copper, National Gallery of Art, Washington. https://dartabase.art/cite/nga/1452

Leonard Limousin, Round Dish with the Wedding Feast of Cupid and Psyche, c. 1562, enamel painted in grisaille on copper, National Gallery of Art, Washington. https://dartabase.art/cite/nga/1453