BOUCHERON Art Nouveau Opal Ruby Garnet Enamel Brooch circa 1900 French Art Nouveau gold, ruby, garnet, white opal and enamel brooch by Boucheron. The 18-karat gold brooch features whiplash curves and foliate motifs decorated with cloissonné enamel and is accented by rubies, garnets and a triangular white opal center.
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