順天元寶 (Shun Tian Yuan Bao), Reverse:Upper Crescent (moon), 37mm, 20g., Gilt Copper. Rebel Shih Siming (757-761), Tang Dynasty. 唐史思明，順天元寶，背上月，銅制錢，鎏金銅質(紅黑斑綠銹)。