China, 1821-1823 AD., Qing dynasty, emperor Xuan Zong, Peking, Board of Revenue Mint, north branch, 1 Cash, Hartill 22.577 var.

China, Qing (Ch'ing) dynasty (1644-1911 AD.), emperor: Xuan Zong (Hsuan Tsung) (1821-50), reign title: Dao Guang (Dàoguang, Tao Kuang) (1821-50), Peking (Beijing), Board of Revenue mint, east branch, no date, issued 1821-1823 AD.,
1 Cash (21,5 mm / 3,11 g), cast brass, square center hole, medal alignment ↑↑ (0°), smoothed edge,
Obv.: 道光 通 寳 , Dao Guang Tong Bao, top-down-right-left of center hole, Guanglarge, six stroke Bei, closed head two dot Tong.
Rev.: ᠪᠣᠣ - ᠴᡳᠣᠸᠠᠨ , "Boo - Ciowan" , protruding head Boo, Manchu character boo to the left of the square hole meaning "building" or "treasure", right: Manchu "Ciowan" - name for the Board of Revenue Mint, Peking; dot in the middle above center hole.
unlisted, cf. Hartill 22.577 (dot in the middle above center hole, cf 22.449-52, emperor Ren Zong) (type A2) (unlisted, rarity level otherwise 16, very common) ; Schjöth 1512 var. ; FD 2384 var. .