WARRING STATES PERIOD (475-221 BC) A CHINESE UNEARTHED JADE 'SPIRAL SCROLL' DISC, YUAN D 11.3 cm. ( 4 1/2 in.) Thickness 0.5 cm.
戰國 生坑「穀」紋玉瑗 直徑 11.3 cm. ( 4 1/2 in.) 厚 0.5 cm.