Assorted jewellery items

Assorted jewellery items, including an opal dress ring with openwork closed back setting in gold, size P; a gold gypsy ring set wit an old circular-cut diamond, size R 1/2; a 9ct gold curb-link bracelet with a 9ct gold padlock clasp, 20g; a 9ct gold belcher link chain necklace, 6.8g, a gold snake link necklace, 49cm long, 22g; a Victorian oval shell cameo brooch, depicting Venus surround by Cupid with attributes, to the ornate gold frame, 7cm, and another later cameo brooch and three enamel and silver brooches