A group of jewels

A group of jewels, 19th century, comprising: a foliate gold bar brooch set with seed pearls, stamped 15ct; an enamelled gold roundel brooch set with four cushion-shaped rubies and a seed pearl; an amethyst and mother of pearl cluster brooch; a floral brooch set with pyrope garnets; a pendant set with purple and colourless paste; and a small chatelaine ribbon fitting applied with enamel and set with a cabochon ruby; jewellery case stamped Collingwood and Co.