Round, square centre hole, inner and outer rims on both sides, 4 characters on obverse; thieu thanh nguyen bao in Chinese seal script characters, read top-right-bottom-left on obverse; reverse worn almost flat.

Round, square centre hole, inner and outer rims on both sides, 4 characters on obverse; thieu thanh nguyen bao in Chinese seal script characters, read top-right-bottom-left on obverse; reverse worn almost flat.

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 san left-right (mintmark) in Manchu are on the reverse. Rim damage on the top-right; file marks; 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 yun left-right (mintmark) in Manchu are on the reverse. Circle on the top reverse; outer rim is uneven; rim pits, flaws; extra metal is inside 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 jyi left-right (mintmark) in Manchu are on the reverse. Thin rims outside; 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 jyi left-right (mintmark) in Manchu are on the reverse. Outer rim irregular top-right; 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 fu left-right (mintmark) in Manchu are on the reverse. Extra metal is in the centre hole; file marks; rim 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 su left-right (mintmark) in Manchu are on the reverse. File marks; rim flaws.

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 su left-right (mintmark) in Manchu are on the reverse. Rims rough and chipped; extra metal is inside the centre hole; rim 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 ciowan left-right (mintmark) in Manchu are on the reverse. Rim is rough on the top-left and bottom-right; raised fields on the reverse top and bottom; reverse worn almost flat.