Yangqinghe Jiuji marks, Late Qing/Early Republic period

In Chinese mythology the Eight Immortals are believed to know the secrets of nature. They represent separately male, female, the old, the young, the rich, the noble, the poor, and the humble Chinese.
Each Immortal's power can be transferred to a tool of power, kind of a talisman associated with a certain meaning, that can give life or destroy evil.
source
Each Immortal's power can be transferred to a tool of power, kind of a talisman associated with a certain meaning, that can give life or destroy evil.
source