VIETNAM - VIETNAM Annam, Gia Long (1802-1820). Ingot of 1 lang (10 tiên), with small characters ND (1802-1820), Hué. Av. Gia long niên tao "made during the Gia Long era" in smooth graining. Rv. Thin ngân nhât lang "one ounce of pure silver" in a smooth mottled pattern. Schr.119 - KM.180.1; Silver - 37,84 g - 43 mm - 12 h PCGS VF25 (51870685 (KM.179)). On the edges, hallmark at the top, F at the bottom, Tri tiên nhi quàn bàt mach on the right and Trung binh hiêu on the left. VERY GOOD.