戰國糖玉玉璧, Warring States Jade Bi, D. 12.3cm, T. 0.7cm

本器糖玉雕琢, 形制為玉璧, 雙面雕琢, 紋為勾連榖紋, 榖紋由外至內, 由大至小共八層, 整面共五十列, 計四百顆, 不同於一般榖紋大小相同的玉璧. 本器古玉跡象為差異風化, 冰裂紋, 及增生晶體.Carved with sugar jade, the object is bi with identical carving on both sides. The motif is low relief carving of connected grain sprout. The arrangement is increasing size from the center towards the edge.  There are eight rims and fifty arrays with a total of four hundred pieces. Antiquity evidence includes differential weathering, cleaving veins, and additive crystals.