Asprey & Co., a ruby and diamond demi-parure, circa 1977, comprising: a necklace and bracelet,

Asprey & Co., a ruby and diamond demi-parure, circa 1977, comprising: a necklace and bracelet, each composed of oval linking, set with oval rubies and brilliant-cut diamonds, mounted in 18ct gold, necklace length 36.5cm, bracelet length 17.5cm, each with French assay marks and British import hallmarks for 18ct gold, sponsor's mark A&Co. Ltd for Asprey & Co., date letter for 1977, French maker's marks for Pierre Brun, combined gross weight 99 grams, case

The workshop of Pierre Brun was established in 1935 and for much of the 20th century was one of the leading manufacturers of high jewellery in Paris, who made for Cartier, Van Cleef & Arpels and Boucheron amongst others, before being bought by Cartier in 2000.