Vietnam - Minh Mang (1820-1841) - Presentation cash of one Mach (BNF 1554; Schroeder 145) - Obv: Minh Mang thông bảo / Rev: Chinese legend [The Way of the Sovereign is vast and wide, great is the scope of the advice of the Wise] - 32.82 g., 51.8 mm - VF