A Victorian sprung coiled serpent bangle, circa 1840s-1850s, the hollow coiled bangle in sprung sections with engraved scale decoration, to head inset with an oval cabochon garnet within a cluster surround of graduated old brilliant-cut diamonds, and with ruby eyes, with small glazed locket panel to the inside, length when coiled width approximately 10.5cm, height 7.0cm. £10,000-£15,000