A fine late Georgian gold longchain and pendant, 1830s, the chain composed of intricately woven gold

A fine late Georgian gold longchain and pendant, 1830s, the chain composed of intricately woven gold wire, to a barrel-shaped clasp decorated with a band of roses in varicoloured gold and set with lines of turquoise cabochons, threaded with a gold jump ring suspending two fobs of floral design in varicoloured gold with grainti and cannetille decoration, set with a step-cut amethyst and citrine respectively, and a watch key of scrolled design, chain length 123cm, pendant length 5cm including jump ring, gross weight 53 grams, jump ring later