An early 19th century gold mounted shell cameo demi parure

An early 19th century gold mounted shell cameo demi parure
Comprising: a necklace of three tier fancy mesh link design suspending six graduated oval cameos each carved to depict either a Bacchante or Flora, 42cm long; and a matching bracelet mounted with three cameos, 20cm long, circa 1820, French import marks
Partially illustrated