A contemporary portrait of Li Daochun (李道纯) (late 13th cent.), a Yuan-Dynasty Daoist master of the Quanzhen (全真) school and author of "The Book of Balance and Harmony“ (中和集)

A contemporary portrait of Li Daochun (李道纯) (late 13th cent.), a Yuan-Dynasty Daoist master of the Quanzhen (全真) school and author of "The Book of Balance and Harmony“ (中和集)