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 kiyan left-right (mintmark) in Manchu are on the reverse. Crescent on the top reverse; coin is not round; extra metal is in the centre hole; rim flaws; thick darkening coating.

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 kiyan left-right (mintmark) in Manchu are on the reverse. Circle on the reverse top; heavy coating; rim flaws; extra metal is in the centre hole.

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 kiyan left-right (mintmark) in Manchu are on the reverse. X on the top reverse; rim flaws; centre hole is not square.

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. Xianfeng tongbao (top-bottom-right-left) in the formal style of Chinese characters are on the obverse; boo kiyan left-right (mintmark) in Manchu are on the reverse. Outer rim is not even; inner rim is broken in places; extra metal is in the centre hole; rim pits and flaws; moulds are not aligned.

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 kiyan left-right (mintmark) in Manchu are on the reverse. Crescent on the top reverse; extra metal is on the rim right, centre hole; rim flaws, pits.

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 kiyan left-right (mintmark) in Manchu are on the reverse. Circle on the top reverse; extra metal is on the rim right-bottom; heavy coating; rim flaws; centre hole is not square.

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. Jiaqing tongbao (top-bottom-right-left) in Chinese characters are on the obverse; boo kiyan left-right (mintmark) in Manchu are on the reverse. Extra metal is in the centre hole; raised fields on the reverse top and bottom.

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. Qianlong tongbao (top-bottom-right-left) in Chinese characters are on the obverse; boo kiyan left-right (mintmark) in Manchu are on the reverse. Irregular centre hole; rim flat on the right.

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. Qianlong tongbao (top-bottom-right-left) in Chinese characters are on the obverse; boo kiyan left-right (mintmark) in Manchu are on the reverse. Centre hole is not square; rim flaw on the bottom; rough rim surfaces.

Round, square hole in centre, inner and outer rims on both sides, 4 characters on obverse, 2 characters on reverse. Daoguang dongbao (top-bottom-right-left) in Chinese characters on obverse. Reverse has boo kiyan (mintmark) left-right, circle top.