After Franz Pourbus the Younger, 19th century. Portrait of Queen Marie de Médicis (1575-1642), Queen of France and Navarre, regent in the name of her son Louis XIII. Oval enamel on copper. Oval with view 6.5 x 5.4 cm. Moulded gilt brass frame, rect. 15.5 x 13 cm. Expert : Nathalie Lemoine-Bouchard