The Xining Yuanbao is one of the ancient Chinese coins and its material is copper. In the Northern Song Dynasty Zhao Xu the emperor of the Song Dynasty (1068 to 1077 AD) was cast. When Wang Anshi changed law and the amount of Mint was very large it was very complicated with seal script script and official script. There are many pages in the text but there are few words on the back. There are also "Hei Ning Tong Bao" and "Hei Ning Bao Bao". The collection of ancient coins is a hot topic in the collectible world today. As we see today the copper coin has a very high appreciation potential and collection value.
This "Xinning Tong Bao" is a positive book of Xining Yuanbao with good quality old pulp clear handwriting complete edge teeth and highly collectible value.