Sichuan Copper Coin Army evolved from Sichuan Copper Yuan coins. In the early Copper Yuan and Qing Dynasty, Guangxu 28 years (1902), the governor of Sichuan, Cen Chunxuan, first proposed founding Copper Yuan. In June of 1903, the Sichuan Copper Yuan Bureau was built. Its scale was not large. It was only used for repairing the waste machines that had purchased and cast small amounts of money. The workshop was a copper press and an old copper coin factory of the Machinery Bureau. The casting materials were the margin slag of the bullet shell of the Machinery Bureau and the surplus copper of the Baochuan Bureau. "Dangwu" and "Dangshi" copper yuan are cast in 96% copper, 0.1% lead and other proportions. The cast copper is pure copper with good quantity. As a result, Sichuan Copper Yuan has become one of the characteristics of the world Copper Yuan. The purpose of the coins issued by Sichuan Military Journal is to raise military salaries and maintain expenditure. At the same time, it is also to meet the needs of the road protection movement. Therefore, the "Han" copper coins have the attributes of military coins and civilian coins.
The military Sichuan copper coins were minted in June, 1903, and the French coins began to circulate in November, 1935 before gradually withdrawing from circulation. In 1900, a round porous copper coin (copper yuan) was coined in Guangdong. The following year, copying was permitted in coastal provinces along the Yangtze River. Sichuan Province has set up Sichuan Copper Yuan Bureau in Chengdu, casting five or ten denominations of copper coins, and adding twenty in July. In April 1912, the template of Daqing copper coin was abolished and the "Han&quo