CHINA, ANCIENT CHINESE COINS, AMULETS, Qing Dynasty: Gold Amulets (4): “Kang Xi Tong Bao”, “Yong Zheng Tong Bao”, “Qian Long Tong Bao” and “Dao Guang Tong Bao”, all with two Manchu characters on reverse, 21.5mm, 1.6g - 1.9g. Fine. (4pcs) Estimate: US$300-400