Watch List notes:

QING: Tong Zhi, 1862-1874, AE 4 cash (14.39g), Ili mint, Xinjiang Province, H-22.1226, cast 1862-1866, "red cash" (hóng qián), small chop at obverse 2h, VF, S. Valued at 4 pul, the copper 4 cash was equal to 10 of the standard brass (huáng tóng) cash at the time.

Estimate: 100-150 USD