Brooches :
ART NOUVEAU PLIQUE-À-JOUR ENAMEL AND DIAMOND DRAGONFLY BROOCH, CIRCA 1900. Mounted en tremblant, formed of plique-à-jour enamel in pastel shades of blue and green and edged in rose-cut diamonds, the head and body decorated with old-mine diamonds and translucent apple green enamel, mounted in gold,
