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Lot 111. Diamond tiara, early 20th centuryEstimate 80,000 — 100,000 GBP. Photo Sotheby's.

Designed as an upright floral motif flanked by a pair of wings mounted en tremblant, set throughout with circular-cut diamonds and a pear-shaped diamond to the centre, to a headband millegrain-set with rose diamonds, inner circumference approximately 255mm, headband signed Boucheron, French assay and maker's marks, floral motif detachable, band with two rose diamonds deficient. 

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