明朝大中通宝背"京"十。strong大中通宝/strong 。反面:strong"京十"。/strong粗糙底板,均匀磨损,深巧克力色包浆。CHINA. Mint Dynasty. Jiangsu. 10 Cash, ND. Nanking Mint. Zhu Yuanzhang (1361-68). Graded "75" by Hua Xia Coin Grading Company.。20.3 gms. H-20.47; FD-1888. "strong大中通寶/strong" (Dà zhōng tōng bǎo[Chinese universal currency]); Reverse: "京十" (Jīng Shí[Jing{Nanking Mint} 10]). Coin is crudely made with rough fields, even wear, and exhibits dark chocolate patina.。