China
Qing Dynasty - Wen Zong copper 1000 Cash ND (1851-61) XF, Prince Qing Hui Mint, Hartill-22.721 FD-2436, 65.00gm, 58mm, produced only from May-August 1854. This appears to have a brass appearance, as do most pieces from this mint. Obv. Xian Feng Zhong Bao. Rev. Dang Qian Boo Chiowan.
Estimate: 800-1000 USD