The currency minted by Emperor Wu of the Han Dynasty was five baht coins.

1. The five-baht coin is the longest-used currency in the history of Chinese coins. It is also a coin that uses weight as the currency unit. It has played a certain influence in the five thousand years of currency development history in my country.

In the fifth year of Yuanshou, Emperor Wu of the Western Han Dynasty, five baht coins began to be issued in the Central Plains, which became the first of its kind in the Han Dynasty. Until the end of the Eastern Han Dynasty, except for some minor changes in the middle, within four hundred years of the Western Han and Eastern Han Dynasties, the five-baht coin dominated the world. The five-baht coin established the Chinese tradition of round square holes.

2. Five baht coin is the name of an ancient Chinese copper coin. It is named because there are two seal characters of five baht on the coin. The history of the development of five baht coins includes Emperor Wu's five baht, early Eastern Han Dynasty five baht, trimmed five baht, Dong Zhuo's five baht, straight hundred five baht, etc.

3. After the fall of the Qin Dynasty, the Qin system of half-liang coins was still used in the early Western Han Dynasty. Since private casting was allowed, the money system was chaotic, resulting in pod coins weighing only one gram.

Cutting half liang also appeared among the people. That is, some speculators used scissors to cut off a circle of half liang made in Qin Dynasty. Seven to eight half liang can be used to cut out one and a half liang of bronze. , and used the cut copper to cast another half tael. This led to currency imbalance and caused a period of chaos to the economy at that time.

4. In later generations, there were many half-coins with trimmed edges. After Empress Lu discovered the problem, she actively advocated currency system reform and personally participated in the design of coins. In order to prevent trimming, on the basis of round coins with square holes, The perimeter was added, and five baht was designated as the unit of weight. The Han five baht was born.

The five-baht coin was a major turning point in the monetary history of the Qin and Han Dynasties, realizing the centralization and unification of currency casting rights. The five-baht coins of the Western Han Dynasty weighed five baht, with regular shape, standard weight and excellent casting.