A collection of jewellery

A collection of jewellery, comprising: a Victorian shell cameo brooch depicting a Bacchante mounted in gold, stamped 9ct, length 53.3cm; a Victorian turquoise and gold cloak pin decorated with five cabochons spaced by fine linking, length 7.5cm; a Victorian turquoise tennis bracelet with graduated turquoise cabochons mounted in rose gold, length 16cm; a Victorian gold bracelet with circular engraved bosses spaced by fine chain linking and centred with a blue enamel and pearl foliate boss, pearl untested, inner circumference 16cm; an Art Nouveau ruby and opal pendant of trefoil design set with six opal cabochons and accented with rubies, suspending an opal cabochon drop and with rubies to the foliate bail, stamped 9ct, length 5.3cm; an opal and diamond cluster ring mounted in 18ct white gold, Sheffield hallmarks, size U 1/2