Jewellery including jewellery of precious and non-precious metal; rings both invasive and non-invasive including rings for fingers, ear rings, nipple rings, toe rings and navel rings and including such rings of precious and non-precious metal; hair ornaments of precious metal; body jewellery both invasive and non-invasive including body jewellery of precious and non-precious metal; articles for personal adornment both invasive and non-invasive of precious metal