The bronze coin is of compressed disc form with square hole in the center, one side marked four characters "Xian Feng Yuan Bao", the reverse marked three characters "Dang Wu Bai".|||Diameter: 2 1/8 in (5.2 cm)|咸豐元寶|該枚咸豐元寶當五百，形製規整，包漿老道，銹色自然，歲月流痕鮮明，流通使用痕迹明顯，歷史過渡性自然，爲錢幣珍品。