Vietnam, 1884-5 AD., United Dai Nam, Hàm Nghi, unlisted Charm.

Vietnam, United Dai Nam, Hàm Nghi, 1884-5 AD.,
Charm (28 mm / 9,00 g), copper-bronze, cast, square center hole, edge holed at 7 o´clock (used as an amulet?),
Obv.: 咸 宜 通 寶 , Ham Nghi Trong Bao ("heavy coin of Ham Nghi").
Rev.: plain (square center hole).
cr. http://www.charm.ru/library/hamnghicharm.htm ; cf. KM A606 (6 Van, 23 mm) ; cf. Cr. 282 .

Thanks to Afrasi, Martin and Peter for the ID. A charm with Ham Nghi's reign title, the last emperor of the United Dai Nam.