A collection of stick pins and brooches, 19th and early 20th century

A collection of stick pins and brooches, 19th and early 20th century, comprising: two gold stick pins, one capped with a gold seashell set with a seed pearl, the other topped with the letter H set with rose-cut diamonds, surmounted by a seed pearl, longest 6.2cm; a jabot pin set with rose-cut diamonds and a tooth, dated 29 January 1927; and four bar brooches, including one set with a cabochon star sapphire and rose-cut diamonds; one set with three cabochon moonstones; one centring on a partridge set with rose-cut diamonds and a ruby eye; and one set with a line of pearls, longest 4.5cm, each mounted in silver and gold, pearls untested