QING: Tai Ping Rebellion, 1850-1864, AE cash (4.13g), H-28.37, Zeno-179850, kai yuan tong bao // wu sideways at right, cast circa 1858-64, VF, RRR. An issue of the Tiandihui (Heaven and Earth Society). The Kaiyuan Tongbao (a Tang dynasty coin inscription) with the single character wu above the hole or to the right of the hole on the reverse, has been found mostly in Zhejiang province. Ma Dingxiang suggests that the character yuan refers to Zhu Yuan, the first emperor of the Ming dynasty (full name: Zhu Yuanzhang). Wu would then refer to the Hongwu reign period of Zhu Yuanzhang.
Estimate: 500-700 USD