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Primary sourceArtifactc. 206–195 BC

Early Han Ban Liang coin

Han mints · c. 206–195 BC

A bronze Ban Liang coin from the early Han dynasty, reflecting Gaozu's decision to allow lighter coins than those used under the Qin.

Represents Gaozu's policy of easing Qin-era economic controls by allowing lighter coins to circulate.

Two views of a corroded green-brown bronze coin with a square central hole. The left side shows raised characters and a small cross-like mark near the hole; the right side is plainer with a square hole and worn surface, on dark fabric.
Ban Liang coin, early Han dynasty, c. 206–195 BC (this example from 188–180 BCE).

About this source

What it is

This is a bronze Ban Liang coin cast during the early Han dynasty, with a square central hole typical of Chinese cash coins. Ban Liang coins continued in use from the Qin dynasty into the Han, before being replaced by Wu Zhu coins later on. This particular coin dates to a period after Gaozu, during the regency of Empress Dowager Lü Zhi.

Why it matters

Emperor Gaozu allowed lighter versions of the Ban Liang coin to be cast instead of the heavier coins used under the Qin, loosening the strict economic controls of the previous dynasty. This small object reflects a real policy choice made at the founding of the Han dynasty, showing how Gaozu tried to ease the burdens of Qin rule on ordinary people.

Look closer

  • What can the design and weight of a coin tell us about the economic policy of a dynasty?
  • Why might a new ruler want to change the currency inherited from the previous government?
  • What continued between the Qin and Han dynasties, and what changed?

This artifact is part of the curated material that grounds the AI version of Liu Bang (Gaozu of Han) on Humy.ai — when students ask about related events, the AI can quote it and cite it.

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