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Western Han Dynasty,
Wu Zhu of Kingdoms
(Type II, Vertical Line Among Wu Version)
西漢
郡國五銖
(第二型中豎五版)
Item number: A3877
Year: 118-113 BC
Material: Bronze
Size: 25.3 x 25.1 x 1.2 mm
Weight: 3.0 g
Provenance: Spink 2023
This coin should be identified as a commandery and kingdom Wu Zhu issue cast by the various regional states in the early Western Han period, probably between the fifth year of the Yuanshou reign of Emperor Wu (118 BC) and the fourth year of the Yuanding reign (113 BC).
The coin conforms to the traditional round form with a square central aperture characteristic of Sinosphere. The obverse bears an outer rim but lacks an inner border. The inscription reads “wu zhu” in seal script, arranged in regular order from right to left. In the character wu (五), the two vertical strokes are gently curved, and at their point of intersection there appears a short vertical stroke. The character zhu (銖) is worn and indistinct.
On the reverse, both the outer rim and the inner border are present, though the angular contours are blurred and indistinct.
The Wuzhu coin was first issued in the fifth year of the Yuanshou reign of Emperor Wu (118 BC), and at that time, it was cast both by the central court and by local kingdoms and commanderies. Consequently, private and unregulated minting became widespread. In the fourth year of the Yuanding reign (113 BC), Emperor Wu centralised minting authority within the Three Offices of Shanglin Garden, standardising the coinage under the name “San Guan Wuzhu coin” (“Three Offices Wuzhu”). All other forms of coinage were abolished, and only the San Guan coinage was permitted in circulation. From the fourth year of Yuanding (113 BC) to the fifth year of Yuanshi (AD 5), successive emperors continued to implement this system with only minor modifications to the coin moulds. In total, the San Guan Wuzhu coin remained in official circulation for 123 years.