Vietnam Annam 1 Lang ND (1802-1820). Silver Bar ND. Gia Longx (1802-20). 'Gia Long Nien Tao' (Made in the Gia Long era). 'Tinh Ngan Nhat Long' (Pure silver one Lang). 'Trung Binh Hieu' (Made on the Trung Binh scale). 'Tri Tien Nhi Quan Bat Mach'. Silver 30.16g. 53x22mm. Collectors Copy!