Ming Dynasty
Paper. Diagram of acupoints on the back. Above is the "Preface to Illustrations for Sun Simiao's Medicinal Formulas Worth a Thousand" in the calligraphy of its author, Shi Su, written 1474. (Collection of Museum voor Volk erkunde, Leiden, Netherlands.)


![Diseases, Symptoms, tcm, [tcmwindow.com]](/uploadFile/adImg/2015/11/11/f5cbfcc0-4df5-4646-9b9a-f316651a0199.jpg)





