of oval form, extensively decorated with Sistine blue and pale rose champlevé enamel, the top and bottom panels with shaded enamel medallions featuring armorial elements, each panel surrounded by a border of polychrome champlevé flowers and scrolling foliage on a pale blue ground, the side edge decorated with intertwined champlevé ribbons and flowers, the top interior panel with an applied yellow gold heart attached to the front cover with four posts set with diamonds, length: 7.6 cm (3 in.), two sets of partially legible hallmarks on the inside fittings, 80 g.