China - Ch'ing Dynasty (1644-1911) - Hsien-Fêng (1851-1861) - 20 wen nd. (1853-55), Fuzhou, Fujian (DH 22.794; FD 2520; C# 10-12; ZENO 279521) - Obv: Xian-Feng zhong bao / Rev: Boo fu - Er shi (twenty) / Rim: Yi liang ji zhong (1 liang calculated weight) - VF, few additional Chinese chop-marks on rim