Ten emperors' coins are copper coins with titles of Shunzhi, Kangxi, Yongzheng, Qianlong, Jiaqing, Daoguang, Xianfeng, Tongzhi, Guangxu and Xuan Tong. Now people call it ten emperors' money.
Can be used to block evil spirits, ward off evil spirits, prosper wealth, attract wealth, resolve official right and wrong, and resolve villains. It is the most commonly used feng shui secret treasure.