Liao Dynasty. Zhong Xi Tong Bao, 1032-1055, AE Cash (2.7 g, 23.8 mm). Issued by Emperor Xing Zong, who was the seventh emperor of the Liao (Khitan) Dynasty. Evenly worn, mature brownish patina with a hint of light green colors. Very Rare. Very Fine. Estimate Value $150 - 200 Ex Dr. Partrick Tan Coll