Three hairwork jewels, circa 1850 Comprising a hairwork bow brooch with central cabochon turquoise in an engraved openwork plaque; a pair of hairwork earrings, each hoop with a hairwork swing centre, hook fittings; and a cased set of three studs, each hairwork loop, with engraved terminals and an old brilliant-cut diamond single-stone centre, lengths: stud 2.1cm, earring 4.3, brooch 6.4cm (5) From a private English collection.