北宋大观通宝折三3枚,铁铸(1)及罕见铜铸(2),8.5g至11.8g,华夏72,78及80,尚·皮尔·米歇尔中国钱币系列,Northern Song Dynasty, group of 3x Da Guan Tong Bao, 3 cash, one struck in iron and two struck in bronze which are scarcer, weighing from 8.5 grams to 11.8 grams, Huaxia 72, 78 and 80 (3)
北宋大观通宝折三3枚,铁铸(1)及罕见铜铸(2),8.5g至11.8g,华夏72,78及80,尚·皮尔·米歇尔中国钱币系列,Northern Song Dynasty, group of 3x Da Guan Tong Bao, 3 cash, one struck in iron and two struck in bronze which are scarcer, weighing from 8.5 grams to 11.8 grams, Huaxia 72, 78 and 80 (3)