Coin, round, with a four-sided hole at the centre, a rim around the outer edge and a centre hole. The obverse has four characters, and the reverse has a nail mark. Hongwu tongbao (top-bottom-right-left) in Chinese characters on obverse; nail mark-horizontal, left on reverse. Extra metal inside centre hole; rim pit; file marks.

Coin, round, with a four-sided hole at the centre, a rim around the outer edge and a centre hole. The obverse has four characters, and there is a nail mark on the reverse. Hongwu tongbao (top-bottom-right-left) in Chinese characters on obverse; nail mark bottom-right diagonally upwards to right on reverse. Centre hole partly rounded

Coin, round, with a four-sided hole at the centre, a rim around the outer edge and a centre hole. The obverse has four characters, and the reverse has a nail mark. Hongwu tongbao (top-bottom-right-left) in Chinese characters on obverse; nail mark-vertical right on reverse. Centre rims uneven width; rim pits.

Round, 4-sided hole in centre, rims around outer edge and centre hole, obverse 4 characters, character on reverse. Jiaxi tongbao (top-bottom-right-left) in Chinese characters on obverse; reverse yuan (first) bottom on reverse. Reverse off centre.

Round, 4-sided hole in centre, rims around outer edge and centre hole, obverse 4 characters, character on reverse. Duanping yuanbao (top-right-bottom-left) in Chinese characters on obverse; reverse yuan (first) top. Extra metal in centre hole.

Round, 4 sided hole in centre, rim around outer edge and centre hole, obverse 4 characters, 1 character on reverse. Daming tongbao (top-bottom-right-left) in Chinese characters on obverse; hu top (mintmark) in Chinese characters on reverse.

Round charm with a round hole at the centre, and a rim around the outer edge and centre hole. One face has designs of zodiac animals in circles with corresponding characters. The reverse has figures or a design (the design is too worn to clearly determine what it is).

Round charm with a four-sided hole at the centre, and a rim around the outer edge and centre hole. One face has four Chinese characters on a patterned background. On the reverse is a simplified design of two dragons. There is a hole at the top.

Round, square centre hole, inner and outer rims on both sides, 4 characters on obverse, dot on reverse; canh hung thong bao in Chinese characters, read top-bottom-right-left on obverse; reverse has dot at left-bottom; extra metal in centre hole

Round, square centre hole, inner and outer rims on both sides, 4 characters on obverse; canh hung thong bao in Chinese characters, read top-bottom-right-left on obverse, with right character abbreviated, and bottom character in grass script Krause, C.L. and Mishler, C.: Standard Catalog of World Coins, 1701-1800 and 1801-Present. 1994 editions; Novak, J.A.: A Working Aid for Collectors of Annamese Coins. 1989