What do you mean by five ancient coins and one?

Five coins are linked together, called five emperors' coins, which are used for decoration. In order: Shunzhi, Kangxi, Yongzheng, Qianlong, Jiaqing, the first five emperors.

Daoguang, Xianfeng, Guangxu, Tongzhi and Xuan Tong. It is the last five emperors.

Most of them refer to the first five emperors, because during the period of the first five emperors, the Qing government in China was a superpower in the world. Jiaqing is a turning point. After Jiaqing, the Qing government in China was basically the same as that in textbooks. Five emperors' money is generally said to ward off evil spirits, soothe the nerves and promote prosperity, but this kind of thing is just like a bodhisattva. If you believe, there will be, if you don't believe, there will be.