Coin

About this object

History of use

Small sized circulating coin

Physical description

Round coin with a four-sided hole in the centre, and a rim around the outer edge and the centre hole. The obverse has four characters, and the reverse has two characters. Daoguang tongbao (top-bottom-right-left) in Chinese characters are on the obverse; boo nan left-right (mintmark) in Manchu are on the reverse. Outer rim is uneven; centre hole is not square; file marks; pits.