Xin Mang. 7-23 AD, AE \Yi Dao Ping Wu Qian\ Knife Money (33.9 g, 77.8 X 30.9 mm). First two characters inlaid with gold (as made), an advanced casting technique in the first century. Sharp details with the legend 100% readable. Beautiful green and rusty patina on both sides. Rare and popular. Extrem