A shell cameo brooch, depicting Nyx, the Goddess of the Night, carrying her children along with an owl, in a conforming mount surface testing as 14ct, with later-added brooch fittings, 4.3 x 3.5 cm, 10.2 grams. Please note: Unless otherwise stated, lots have been tested using an electronic tester. This is a surface test only and is not a guarantee of metal purity.