Some ancient coins Photo:IC

Seven people are under arrest for selling and buying four tons of ancient coins from the late Northern Song Dynasty (960-1127) that were dug up from a wheat field in Central China.Acting on a tip, police in Yuzhou, Henan Province found dozens of bags filled with 2.2 tons of ancient coins in the back of a pickup truck, according to Pear Video.Four suspects confessed they had found the ancient coins in a wheat field in a village and had sold 40 bags of coins for 40,000 yuan ($6,000) per bag.The cultural relics department has since dug up an additional two tons of ancient coins. The video shows archeologists recovering thousands of coins from the sides of a meters-deep pit with shovels and brushes."The wheat field used to be a bank where coins were stored underground in the late Northern Song Dynasty. The coins are of great significance for the study of the Northern Song Dynasty and even the Jin Dynasty (1115-1234)," an archaeologist at the site told Pear.The police received a tip that people were trading cultural relics in early January and arrested four suspects on January 8, recovering 2.2 tons of coins. The suspects confessed to selling 1.8 tons of coins.Several days later a fifth suspect was arrested and two others turned themselves in with the 1.8 tons of coins they had purchased.Pear Video