Chongning reign was the annual money of the emperor huizong of the northern song dynasty. It was made of copper COINS, and the inscription "chongning tong shi" was read, and the money was thick, simple and square, bronze and natural.Chongning tong was one of the most important COINS in the last year of the northern song dynasty. The song huizong was one of the two most valuable COINS in bronze COINS.