Chong Ning Tong Bao was one of the most important coins in Song Huizong period, so it is very difficult to copy it.  At present, there are generally two ways to cheat in the market. One is to carve, that is, to carve precious coins from ordinary coins.  The other is fraud.  If counterfeit currency is used to compare with real currency, it is not difficult to find that, first of all, from the text point of view, there is no stiffness and strength of thin gold body, and there is no atmosphere of royal book body.  Another is to look at its casting. Real coins are made with exquisite craftsmanship and it is difficult to see the sand holes under a magnifying glass. False coins have a rough texture and no texture. Even without a magnifying glass, you can see the sand holes.

This collection is chongning tong Bao, weighing 11.6g and 3.5cm in diameter. coins from chongning years of the northern song dynasty, dating back 1,000 years.  Coins are well preserved, well-preserved and moist, with clear fonts and excellent quality. Chong Ning Tong Bao was coined in the reign of Zhao Ji Chong Ning, Emperor Hui of the Northern Song Dynasty (1102-1106) and was given a name.  Qian Wen was a close calligrapher of the Hui Emperor, so he was also the money for imperial calligraphy.  The market is scarce and is a rare currency.  It has market value and collection value.