NGC MS 62 (6640663-030).
Av. Tu duc thông bao "Tu Duc's current coinage" in four Chinese characters around the central perforation.
Rv. The scepter nhu' y (bless you) twice repeated, accompanied by two van swastika (ten thousand) characters.
Schr.361 - KM.409; Silver - 3.57 g - 27 mm - 12 h