Second, 1633, in the eleventh year of Renzu of the Li Dynasty in North Korea, the Cao family sentenced Jin Qizong to propose casting money. Soon, Ren Zuling set up a money-casting institute in Changping Hall with the word Changping as the name of money, casting a large number of Changping Bao Tong.
3. Due to the close relationship between China and North Korea and historical reasons, "Changping Bao Tong" coins are still very common among the people in China. Because it is more common, the price is not high, generally 5-20 yuan.