VIETNAM (ANNAM), Nguyễn Dynasty. Thế Tổ (Gia Long). 1802-1820. AR Lang (44x14mm, 38.27 g). Small characters type. Giao Long Nien Tao engraved in Han-nom characters / Tinh ngân nhất lạng in Han-nom characters / Left edge: Trị tiền nhị quán bát mạch in Han-nom characters / Right edge: Trung Bình hiệu in Han-nom characters; Top: Two concentric circle punches (the heavens); Bottom: Two concentric square punches (the earth). Schroeder 118; BN Vietnam 1195; KM 179. VF, lightly toned.