Round, square centre hole, inner and outer rims on both sides, 4 characters on obverse; canh thinh thong bao in Chinese characters, read top-bottom-right-left on obverse; obverse and reverse have double rims.

Round, square centre hole, inner and outer rims on both sides, 4 characters on obverse; canh thinh thong bao in Chinese characters, read top-bottom-right-left on obverse; obverse and reverse have partial double rims.

Round, square centre hole, inner and outer rims on both sides, 4 characters on obverse, dot on reverse; chieu thong thong bao in Chinese characters, read top-bottom-right-left on obverse; reverse has Chinese character son (Sonnam Province) at bottom; line across obverse and reverse from broken moulds.

Round, square centre hole, inner and outer rims on both sides, 4 characters on obverse, character on reverse; chieu thong thong bao in Chinese characters, read top-bottom-right-left on obverse; reverse has character trung (middle) at bottom; extra metal in centre hole.

Round, square centre hole, inner and outer rims on both sides, 4 characters on obverse, character on reverse; chieu thong thong bao in Chinese characters, read top-bottom-right-left on obverse; reverse has character trung (middle) at bottom; extra metal in centre hole.

Round, 4-sided hole in centre, rims around outer edge and centre hole, obverse 4 characters, character on reverse. Zhizheng tongbao (top-bottom-right-left) in Chinese characters on obverse; reverse chen (date) top in Mongol script. Inner rim worn almost flat.

Round, 4 sided hole in centre, rim around outer edge and centre hole, obverse 4 characters, no writing on reverse. Yongli tongbao (top-bottom-right-left) in seal script. Rim pits, flaws; rough surfaces; small rims, large characters, large bottom part of bottom character.

Round, square centre hole, outer and inner rims on both sides, 4 characters on obverse, 2 dots on reverse; gia long thong bao in Chinese characters, read top-bottom-right-left on obverse; reverse has dots at right and bottom; 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. Dashun tongbao (top-bottom-right-left) in Chinese characters on obverse; gong bottom (mintmark) in Chinese characters on reverse. File marks; rim pits, depressions; centre hole not square.

Round, square centre hole, inner and outer rims on both sides, 4 characters on obverse, character on reverse; chieu thong thong bao in Chinese characters, read top-bottom-right-left on obverse; reverse has Chinese character son (Sonnam Province) at bottom.