A gem-set choker, Portuguese, 3rd quarter of the 18th century. Estimate £6,000 - 8,000 (€8,200 - 11,000). Photo: Bonhams.

The central highly stylised scrolling floral and foliate plaque on a chain of stylised flowerhead clusters, set throughout with vari-cut garnets, topaz and quartz in foiled, closed-back settings, mounted in silver, length 29.5cm, fitted leather case

Bonhams. FINE JEWELLERY, 22 Apr 2015 14:00 BST - LONDON, NEW BOND STREET