- Warring States period, 5th - 3th centuries B.C.
a) Translucent indigo colored glass ground with a double white line dividing the bead into two ranks which are decorated with a diamond lattice pattern made up of a concentric circular pattern of small orange and white dots.
B) Translucent black ground divided into three ranks by white lines, with upper and lower ranks decorated with small blue and white dots.
C) Translucent indigo colored ground with both ends circled by double orange line. Decorated with a four petal floral pattern in yellow ochre and brown set into a diamond lattice pattern of small brown dots. Reddish brown core remains.