A Continental Enamel, Gold and Diamond Inset Horn Box Possibly French, First Quarter 19th century The rectangular lid with a gold hinge, inset with an enamel cartouche showing reclining semi-draped classical figures in a garden setting, within a gold and old cut diamond inset border, the sides and underside finely decorated with a stylised foliate pattern and engine turning, with further applied gold to the strapwork to the interior edge, hallmarked, 8.5 cm wide