Fujian - 20 Cash

Ch'ing Dynasty, Xian feng (1853-55) 20 Cash.
OB: Xian feng Tong bao (t,b,r,l) with inscribed '5' at 12 o'clock on rim (furnace #5).
RX: Er shi (value twenty, t,b); Boo fu (l,r)
Type 2, square head (?), one dot 'tong'
46 mm; 35.3 gm
C#10-10; Hartill 'Qing' # 9.41