Lot 260. Ruby and diamond pendent necklace-brooches, 1950s. Estimate 120,000 — 180,000 GBP. Photo Sotheby's.

Designed as a shirt-collar, set with cabochon rubies and bordered with baguette and brilliant-cut diamonds, the front suspending a similarly set fan-shaped pendant, to a baguette-cut diamond-set necklace, inner circumference approximately 325mm, converts into three clip brooches. 

Sotheby's. S. J. Phillips: A Bond Street Legacy, London, 18 oct. 2017, 12:00 PM