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Three Kingdoms Period
Cao Wei Wu Zhu
(Truncated Jin)
三國
曹魏五銖
(簡金)
Item number: A2058
Year: AD 227-265
Material: Bronze
Size: 21.9 x 22.0 x 0.6 mm
Weight: 1.55 g
Provenance: Da Chen Stamps and Coins Collection 2015
This is a bronze coin known as the “Cao Wei Wu Zhu,” minted from the first year of Taihe to the second year of Xianxi (AD 227–265) under the successive emperors of the Cao Wei regime following Emperor Ming.
The obverse bears the two characters “Wu Zhu” in small seal script, read from right to left. These were originally intended as “Wu Zhu”, yet the strokes of both characters have been truncated due to encroachment by the coin’s inner border—this phenomenon is often referred to as “truncated Wu” or “truncated Jin”. Some scholars regard such features as characteristic of Wu Zhu coins from the Cao Wei period. In particular, the “Jin” radical in the character “Zhu” is almost entirely truncated, with only the central horizontal stroke of the “Zhu” component extending leftwards. The strokes of the “Zhu” component are square and sharply folded. The inner rim surrounding the square hole on the obverse is extremely thin. On the reverse, both the outer rim and inner border are clearly present, yet the surface is otherwise plain and uninscribed. The coin exhibits rather crude workmanship, with excess metal and burrs visible along the edges. Coins of this type have been unearthed at multiple sites, including the tomb of Zhu Ran in Ma’anshan, Anhui; Hengyang, Hunan; and Xuchang, Henan.
The Book of Jin (Jin Shu晉書), in its Treatise on Food and Money (Shihuo Zhi食貨志), states: “When Cao Cao became Chancellor, he abolished it and reinstated the Wu Zhu coin.” This refers to Cao Cao’s decree, after assuming the position of Chancellor in AD 208, to ban the small, inscription-less coins issued by Dong Zhuo and to reinstate the standard Wu Zhu coin format used since the Han dynasty as the sole legal currency. However, no official Wu Zhu coins were minted at the time. It was not until the first year of Emperor Ming’s Taihe reign (AD 227) that official minting resumed, as indicated by the phrase “new Wu Zhu coins were minted” (geng zhu wu zhu qian 更鑄五銖錢). Based on excavated tombs, it appears that during the Cao Wei period, private coin minting was permitted alongside state-issued currency. After the Western Jin replaced the Wei in AD 266, no new official coins were minted throughout the Jin dynasty until the seventh year of Yuanjia (AD 430) under the Liu Song dynasty. Instead, Han and Wei-era copper coins continued to circulate. The allowance of private minting under the Cao Wei and Jin dynasties may have been a pragmatic response to the entrenched power of aristocratic clans, whose control over private minting was difficult to reclaim due to the significant profits involved. Alternatively, it may reflect the collapse of the monetary economy since the later Eastern Han period, which resulted in greater reliance on a barter-based economy.