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Ruby and diamond brooch, late 19th century. Estimate 20,000 — 30,000 CHF (18,868 - 28,302 EUR). Photo Sotheby's.
Designed as a butterfly with wings en tremblant, set throughout with circular-cut and cushion-shaped diamonds and oval and cushion-shaped rubies, the eyes collet-set with cabochon rubies, detachable brooch fitting.
Sotheby's. Magnificent Jewels and Noble Jewels, Genève, 12 mai 2015, 10:30 AM
