绍治年造乙巳南定官银拾両银条;Annam, rectangular silver bar for 10 taels, Thieu Tri era (1841-1847), weighing 384 grams, Chinese characters Nan Ding and Guan Yin Shi Liang (official silver ten taels), suggesting it was struck by a government mint and there much rarer than sychees issued by private banks