AN ART NOUVEAU ENAMEL AND MULTI-GEM BUTTERFLY, BY BOUCHERON. Designed as a butterfly, with a cushion-cut aquamarine and cabochon opal body, extending blue and green plique-á-jour enamel wings, enhanced by cabochon rubies and calibré-cut emeralds, accented by a collet-set diamond and gold wirework detail, mounted in gold, 1900, with maker's mark, with detachable brooch fitting of later addition. Elizabeth Taylor Collection.
A RARE ART DECO DIAMOND CROSS BROOCH, BY CARTIER Of pierced openwork design, the pavé-set diamond sections enhanced by rectangular and French-cut diamond borders and terminals, alternately accented by baguette-cut diamonds, mounted in platinum and 18K gold, (may be worn as four clip brooches), circa 1930, with a French assay mark and maker's mark Signed Cartier, Nos. 02967 & 03010 (indistinct)