ART NOUVEAU YELLOW GOLD, ENAMEL, DIAMOND AND GREEN HARDSTONE PARASOL HANDLE WITH SET OF EIGHT YELLOW GOLD SPOKE TIPS.. In fitted velvet-lined presentation case stamped, E. Dreyfous by Royal Warrant To Their Majesties/99 Mount Street, London, W. Tapering cylindrical green hardstone handle with flaring terminal, has collar band ornamented with green guilloche enamel reeds and three cat-tails each set with three rose-cut diamonds. - Handle, L: 2 5/8. Estimate $1,000-1,500