Spherical and Biconical Gold Beads 11th century These beads feature superb patterns of scrolling vines whose bifurcations elegantly extend the design to fit the required space. The patterns recall those of the beveled style of the ninth century, although these possess clearer lines, perhaps owing to the medium.. Spherical and Biconical Gold Beads. 11th century. Gold; filigree and granulation. Made in Egypt or Syria. Jewelry