HKMAL collection
Nguyễn dynasty, Emperor Hàm Nghi (咸宜帝), Hàm Nghi Thông Bảo (咸宜通寶), rev. lục văn (六文), 1884 ~ 1885. 3.01g, 22mm, brass. The second example in this collection. Rare.	Asia Vietnam 1884