A French Limoges enamel and gilt metal mirror pendant

A French Limoges enamel and gilt metal mirror pendant, of octagonal form with an egg and dart border, to a panel depicting a seated king and queen and an attendent playing a lyre looking out to sea, signed 'I L', with a scroll mount, 19th century, 4.5in (11.5cm) h, 3in (8cm) w.