唐朝顺天元宝背上月3枚,重量14.4-21.4g,华夏72-75,尚·皮尔·米歇尔中国钱币系列,Tang Dynasty, group of 3x Shun Tian Yuan Bao, struck by Shi Shi Ming during the An Lushan Rebellion, all three with the crescented moon at the upper quadrant, weighing 14.4 grams, 20.1 grams and 21.4 grams, Huaxia 72, 75 and 72 respectively (3)