唐朝干封泉宝,26x1.7mm 4.4g,华夏75,尚·皮尔·米歇尔中国钱币系列,Tang Dynasty, Qian Feng Quan Bao, a scarce coin that was only struck for 8 months during the reign of Tang Gaozong. many of these were melted to strike the more common Kai Yuan Tong Bao, weighs 4.4 grams, Huaxia 75 and scarce