Round, square hole in centre, outer rims on both sides, inner rims on reverse only, 2 characters and dot on obverse. Huo quan right-left in seal script Chinese characters, dot top of inner hole on obverse. Reverse has hole off centre.

Round, 4-sided hole in centre, rims around outer edge and centre hole, obverse 4 characters, character on reverse. Kaiyuan tongbao (top-bottom-right-left) in orthodox Chinese characters on obverse; run (top), mintmark, Chinese character on reverse. Extra metal in centre hole.

Round, 4-sided hole in centre, rims around outer edge and centre hole, obverse 4 characters, character on reverse. Kaiyuan tongbao (top-bottom-right-left) in orthodox Chinese characters on obverse; tan (left), mintmark, Chinese character on reverse. Inner hole off-centre.

Round, 4-sided hole in centre, rims around outer edge and centre hole, obverse 4 characters, character and dot on reverse. Kaiyuan tongbao (top-bottom-right-left) in orthodox Chinese characters on obverse; tan (left), mintmark, Chinese character, dot (top) on reverse. Inner hole off-centre.

Round, 4 sided hole in centre, rim around outer edge and centre hole, obverse 4 characters, dot on reverse. Chongzhen tongbao (top-bottom-right-left) in Chinese characters on obverse; dot top on reverse. Centre hole not square; rim flaws, pits.

Round, square hole in centre, outer rim on both sides, inner rim on reverse only, 2 characters and dots on obverse. Wu zhu (right-left), meaning 5 zhu, in seal script Chinese characters, dot top-right above hole; dot below rim on obverse.

Round, square hole in centre, outer rims on both sides, inner rims on reverse only, 2 characters and dot on obverse. Wu zhu right-left in seal script characters, dot bottom of hole on obverse. Reverse has inner rim bottom missing.

Round, square hole in centre, outer rims on both sides, inner rims on reverse only, 2 characters and dot on obverse. Wu zhu right-left in seal script characters, dot bottom of hole on obverse.

Round, square hole in centre, outer rim on both sides, inner rim on reverse only, 2 characters on obverse. Wu zhu left-right (inscription reversed) in seal script Chinese characters, rims top, bottom of hole on obverse. Reverse has inner rim missing at bottom of hole.

Round, square hole in centre, outer rim on both sides, inner rim on reverse only, 2 characters and lines on obverse. Wu zhu (right-left), meaning 5 zhu, in seal script Chinese characters, rims above and below centre hole on obverse. Reverse has inner rim missing at bottom of hole.