A natural pearl necklace. Photo: Bonhams.

The long graduated row of one hundred and sixty-five natural pearls, measuring from 3.5mm to 6.8mm, length 81.0cm. Estimate £10,000 - 15,000 (€12,000 - 18,000)

Accompanied by a report from The Gem & Pearl Laboratory stating that the pearls were found to be natural, saltwater. Report number 09568, dated 14 March 2014.

Bonhams. FINE JEWELLERY. London, New Bond Street, 30 Apr 2014 - www.bonhams.com