A pair of Sèvres portrait plaques, early 19th century, of Madame Adelaide de France (1732-1800), 6th

A pair of Sèvres portrait plaques, early 19th century, of Madame Adelaide de France (1732-1800), 6th child of Louis XV and Queen Marie Leszczyiska, and of Louis Jean Marie de Bourbon, Le Duc de Ponthièvre (1725-1793), modelled in relief in white on a pale blue ground, titled around the edge, within wooden frames, and a Wedgwood Jasperware portrait plaque of Julius Caesar, incised to the reverse, impressed mark, one Sèvres plaque broken and restuck, 9.3cm max overall. (3)