Your question, these eight "big coins", 1, Xianping Yuanbao, 2, Bao Tong, Yuan You, 5, Bao Tong, Yuan You, 6, Xiangfu Yuanbao and 7, Jingdezhen Yuanbao are the coin varieties of the Song Dynasty; 3, Zheng Long Yuanbao, belonging to the Jin Dynasty, 4, Gan Yuan Chongbao, belonging to the Tang Dynasty; 8. Tianhan Yuanbao, a coin variety of Wang Jian of Shu before the Five Dynasties and Ten Kingdoms; The authentic market is generally around 500 yuan; Those with high collection value must be well preserved!