A topaz demi-parure, Portugese, circa 1780. Estimate £4,000 - 6,000 (€5,500 - 8,300). Photo Bonhams.

Comprising a brooch/pendant and a pair of earrings, each of girandole design, set throughout with vari-cut topaz in foiled closed back settings and mounted in silver gilt, later brooch and earring fittings, lengths: brooch/pendant 6.9cm, earring 4.1cm (2)

Bonhams. JEWELLERY, 13 May 2015 11:00 BST - LONDON, KNIGHTSBRIDGE