[Collection of Zhejiang Provincial Museum] Gold Medal of "Zhang Erlang" from the Southern Song Dynasty

The gold medal of the Southern Song Dynasty was a form of gold currency, produced by the gold and silver exchange shops of the Southern Song Dynasty. Wu Zimu's "Dream Liang Record" records: "From Wujianlou North to Guanxiang Nanyu Street, most of the two rows are upper level households. There are hundreds of gold, silver, and banknote trading shops. Zhang Erlang "is the name of a goldsmith, and" Ten Ten Gold "indicates the fineness of gold.