A collection of cameos, comprising six lava cameos, the panels originally forming part of a bracelet, (most panels now detached), the vari coloured lava carved with profiles of artists, the reverse of each panel engraved with the names (in Italian) for Raphael, Michaelangelo, Titan, Correggio, Da Vinci and Salvator Rosa; together with a mounted shell cameo, depicting the winged figure of Nyx carrying her two sleeping children Hypnos and Thanatos (after Thorvaldsen); another 9ct gold mounted shell cameo brooch depicting Apollo with wings to his hair and arrow below, four further examples carved with bacchantes, two further unmounted cameos, a Chinese tortoiseshell carved oval panel, and a vulcanite cameo brooch, lava cameo panels height 2.5cm, largest shell cameo 4.2cm. (15) £300-£400