Qing dynasty Guang Xu Tong Bao milled cash, rev. Boo Zhe/ Zhejiang (Chekiang). The bottom "knee" of the "zhe" mintmark pointing downward (I suspect it's a sample/pattern, further investigation is needed). 3.2g, 22 mm, brass. 3 varieties exist for "zhe" knee pointing down; this variety is different compare to Hsu# 151 (KM)/Hartill# 22.1414. 清寶浙局光緒通寶壹文机制