A Victorian gold, gem and enamel Holbeinesque pendant

A Victorian gold, gem and enamel Holbeinesque pendant
of typical form, the central oval cabochon garnet within a polychrome enamel surround set with foiled cushion shaped chrysolite detail, suspending a foiled square chrysolite four stone drop, to an enamelled suspension loop, the reverse with glazed oval locket compartment and floral engraved decoration, circa 1870, some enamel loss, in a fitted case.