Jewellery, Watches and Objects of Vertu

A collection of late 18th century quartz buttons, two sets of four mounted together, each circular-cut rock crystal foiled to give a pale yellowish-green tint, the rubover closed-back settings with reeded detailing, together with a single button set with a circular-cut citrine, foiled and closed-back setting, diameters: 16mm and 25mm. (9) £300-£400