Considered to be one of the most beautiful coins of ancient China. Cast in the years 7-9 AD during the reign of Wang Mang, Xin Dynasty (7 - 23 AD). This knife money is popularly known as金错刀 or gold inlaid knife. The lower blade portion of the coin has the characters平五千which translates as "worth five thousand".
The Xin Dynasty (新朝) literally "New Dynasty") was a Chinese dynasty (although strictly speaking it had only one emperor) which lasted from AD 9 to 23. It followed the Western Han Dynasty and preceded the Eastern Han Dynasty. The sole emperor of the Xin Dynasty, Wang Mang (王莽), was the nephew of Grand Empress Dowager Wang Zhengjun. fter the death of her step-grandson Emperor Ai in 1 BC, Wang Mang rose to power. and finally proclaimed himself emperor.