1 Cash - Quang Trung Thông Bảo, with dot

Quang Trung — born Nguyễn Huệ — ruled for less than four years before dying in 1792, reportedly of illness, though Vietnamese chronicles hint at exhaustion from nearly continuous military campaigning. His Tây Sơn dynasty had just repelled a 200,000-strong Qing Chinese invasion at the Battle of Đống Đa in 1789, one of the most decisive Vietnamese military victories on record. Cash coinage issued under his reign is consequently sparse; the regime was simply too occupied with consolidating power and fighting wars to establish a mature monetary infrastructure.

The dot variety distinguishing this piece from the undotted KM#141 is noted by Toda but absent from Barker's catalog — a small but meaningful gap that has never been fully resolved in the literature.