A French enamel dish 19th century

painted en grisaille and heightened in gold with Vercingetorix before Caesar; together with a triptych composed of six enamel plaquettes painted with scenes of the Life of St. John the Baptist, heightened in gold, the central panel signed on the lower right I R; further combined with a French enamel dish painted with two allegorical figures, heightened in gold and inscribed, the rim bearing four times the initial H within oval medallion (3)