China Empire 20 Cash (1853-1855) Zhongbao; Boo-fu. Xianfeng (1850-1861). Obverse: Four Chinese ideograms read top to bottom; right to lef. Reverse: Two Manchu words (read vertically) separated by the hole; all with one Chinese ideogram above and one below. Edge Smooth. Brass 40.74g. Hartill 22.798