Vietnam - Minh Mang (1820-1841) - 5 Lang nd. (1833), curved silver bar, stamped Minh Mang (cf. KM206, Schr.--) Genuine 'nén bac' ingot with somewhat crude and barbarized inscriptions. 'Minh Mang', 'qui-ti' (1833), 'noi thang', inner treasure (personal treasure of Emperor) / Rev: 'liang', lang - Silver 169.5 g. - VF