AN ART NOUVEAU ENAMEL, DIAMOND AND GEM-SET ORCHID BROOCH

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AN ART NOUVEAU ENAMEL, DIAMOND AND GEM-SET ORCHID BROOCH

With opal, cabochon ruby and old mine-cut diamond stamen and pistils, pink and blue enamel petals and rose-cut diamond stem with cabochon ruby terminal, circa 1900 (one diamond deficient)