Jewellery, Watches and Objects of Vertu to include the personal archive of Louis Osman, goldsmith and architect

A single row uniform natural pearl necklace, the pearls on knotted silk to a small oblong clasp pinched collet set with three half pearls, mounted in yellow gold, accompanied by a GCS certificate, necklace length 74cm, pearl diameters 3.1mm-4.6mm. £700-900

The Gemmological Certification Services report numbered 78132-83, dated 14th December 2017, confirms that necklace comprises 158 pearls, of natural saltwater origin (with one beaded saltwater cultured pearl at position 1).