An iron Daguan Tongbao (大觀通寶, 1107–1110) cash coin produced during the reign of Emperor Huizong in the Song dynasty period.
English: NORTHERN SONG DYNASTY      1127 - 1279 AD         H 16 . 4A      Song Yuan tong bao     Right hook yuan, plain rev. Rare variety. 25.1 mm, 3.862 g     HG409/3v     F     H 16 . 5      Song Yuan tong bao     IRON 23.0 mm, 4.213g     HG412/2     F     H 16 . 10r      Song Yuan tong bao     Small chars., Rev: Dot SW, no inner rim, crudely cast. 23.0mm, 4.381g Comments?             H 16 . 46/47      Xian Ping yuan bao     Broad rims 4.66gm, 27mm     S470, FD878     VG, patchy color but characters clear     H 16 . 51b      Jing De yuan bao     IRON, Value 10, variety with larger De 35.3 mm; 15.248 g     FD882, S472, HG427/5     F+     H 16 . 69b      Tian Xi tong bao     Larger, thin rim variety 25.5 mm, 2.759 g     H436/5, GKFD480.07, S480v     AF     H 16 . 72b      Tian Xi tong bao     IRON, Value 2, Variety: straight bao 28.4 mm, 6.710 g     S483, HG437/1, GKFD483a?     Vg     H 16 . 80      Tian Sheng yuan bao     IRON Large hole, large Yuan & Bao     HG438/6     AVg     H 16 . 81B      Tian Sheng yuan bao     IRON Small hole, smaller Yuan & Bao in regular style     FD898, S488, HG439/1     AF     H 16 . 86      Ming Dao yuan bao     IRON 2? Cash Only iron of this reign and reportedly one of three known. 29.1 mm, 7.422 g     HG441/1     Vg     H 16 . 112b      Huang Song tong bao     Cash, "slender script" variety. 24.0 mm, 3.388 g     S500, G499.61     F+, rough rim     H 16 . 124      Qing Li zhhong bao     3 Cash, Top of Li well below center rim, left stroke reaches bottom.     S505v, G505.01     EF     H 16 . 124c      Qing Li zhhong bao     3 Cash, top of Li even with center rim. Not in Kosen Daizen     S505v     VF+     H 16 . 124d      Qing Li zhhong bao     3 Cash, top of Li even with center rim, and wavy. Not in Kosen Daizen , and supplier considers it rare.     S505v     EF     H 16 . 126      Qing Li zhhong bao     IRON 3 Cash 35 mm, 12.207 g     FD915, HG450/2, G505.03     F+     H 16 . 126b      Qing Li zhhong bao     IRON 3 Cash, small characters 34.4 mm, 11.718 g     HG450/1     F+     H 16 . 142A      Zhi He zhong bao     2 Cash MOTHER Rev: Guo 32.4 mm, 10.643 g Probably for casting iron coins, though none are known. Said to be one of 5 known specimens.     FD929, HG456/1     F, damaged inner hole from use as a doorknob plate.     H 16 . 210v      Yuan Feng tong bao     Cash seal script Said to be a scarce variety. 23,5 mm, 2.611 g     G545.201?     VF, badly cast     H 16 . 227A      Yuan Feng tong bao     2 Cash seal script Rev: inverted, angled crescent above 28.8 mm, 6.460 g     S555, not found in any other reference!     AF     H 16 . 229b      Yuan Feng tong bao     IRON 3 Cash Seal script Large coin, large chars. 33.9 mm, 12.879 g     S560     AVG     H 16 . 236v      Yuan Feng tong bao     Cash running (cursive) script. Said to be a scarce variety. 24.3 mm, 4.053 g         VF     H 16 . 271b      Yuan Feng tong bao     IRON 3 Cash Seal script, small bao     FD988, S580, HG493/3, G-nl     EF-UC, lustre!, rough edges     H 16 . 298      Shao Sheng yuan bao     IRON Cash Small chars. 24.7 mm, 5.529 g     FD998, HG501/1     G     H 16 . 336b      Yuan Fu tong bao     IRON 3 Cash Sal script, narrow fields (24mm) 33 mm, 13.332 g     FD1015, HG513/1, G-nl     VF     H 16 . 374b      Sheng Song yuan bao     IRON 2 Cash Li script. Bao broad, top leans right 31.4 mm, 8.508 g     S618v, FD1030     F+     H 16 . 374c      Sheng Song yuan bao     IRON 2 Cash Li script, Yuan has tall, straight foot 29.6 mm, 8.189 g     S618v, HG528/1     Vg     H 16 . 383A      Sheng Song yuan bao     Cash, unusual script, low relief coin. Is this even Chinese? Opinions sought! 24.0 mm, 2.490 g     Not in any reference?     F     H 16 . 388A      Sheng Song yuan bao     IRON Cash, very thick (2mm), 25.2 mm, 8.552 g     FD1028, S615, H526/6     AG     H 16 . 403      Sheng Song yuan bao     IRON 3 Cash Slender gold script 32.1 mm. 11.426 g         VF but lumps on surface     H 16 . 422      Da Guan tong bao     IRON 2-3 Cash 31.2 mm, 10.567 g     FD1069v, S632v, HG563/1v     F+     H 16 . 426      Da Guan tong bao     10 Cash 41.3 mm, 18.104 g     FD1062, (S630), HG559/1     VF-EF     H 16 . 435b      Zheng He tong bao     2 Cash, Seal script, square Bao, slant top Zheng, rarest variety 29.0 mm, 7.989 g     S638, HG581/2v, G638.05     VF but very patchy color     H 16 . 452b      Zheng He tong bao     IRON 3 Cash Li script 32.5 mm, 12.823 g     FD1088, S646v     EF, light scratches in field, irregular reverse     H 16 . 465b      Chong He tong bao     Cash Seal script Note peak of Bao and NW corner of Tong for subtle calligraphy difference vs. Hartill's specimen. 25.5 mm, 3.351 g     FD1095, HG593/1, G647a.02     VF     H 16 . 474b      Xuan He tong bao     IRON Cash Seal script Narrow Xuan 24 mm, 5.918 g     FD1117, S663     G     H 16 . 482z      Xuan He tong bao     Cash Li script Supplier claims it is a rare variety & charged accordingly. I can't find in Gorny; note bold top dot in Tong. 25.2 mm, 3.487 g     S653v     EF     H 16 . 500A      Xuan He tong bao     Cash, Shaanxi style, but without mint reverse. Tong appears to match FD 1110 vs. Hartill or FS specimens. 24.0 mm, 2.582 g     FD1110     Vg     H 16 . 513      Jing Kang tong bao     IRON Cash Seal script 23.4mm, 6.526g, about 2.7mm thick!     FD1139, S669, HG621/3     F+, rubbed with clay to enhance characters .