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10 Zhu - Wu Zhu, 'Dang Liang'
| Issuer | Liu Song Dynasty |
|---|---|
| Year | 447 |
| Type | Log in to see details |
| Value | 10 Zhu |
| Currency | Log in to see details |
| Composition | Log in to see details |
| Weight | Log in to see details |
| Diameter | Log in to see details |
| Thickness | Log in to see details |
| Shape | Log in to see details |
| Technique | Log in to see details |
| Orientation | Log in to see details |
| Engraver(s) | Log in to see details |
| In circulation to | Log in to see details |
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| Obverse description | Log in to see details |
|---|---|
| Obverse script | Log in to see details |
| Obverse lettering | 五銖 |
| Reverse description | Plain reverse field surrounding the central square perforation, bordered by a raised inner rim enclosing the hole and a plain outer rim at the coin's edge. The field is entirely uninscribed and featureless, as is standard for Wu Zhu cash coinage of the Liu Song period. The surface displays a patina of green verdigris with sandy earthen deposits, consistent with long-term burial. The casting quality reflects the relatively large module of this 'Dang Liang' issue compared to standard Wu Zhu types. |
| Reverse script | Log in to see details |
| Reverse lettering | Log in to see details |
| Edge | Log in to see details |
| Mint | Log in to see details |
| Mintage | Log in to see details |
| Additional information |
The 'Dang Liang' (當兩, "worth two") designation on this Wu Zhu reflects an emergency valuation experiment by Emperor Wen of Liu Song, who attempted to address chronic bronze shortages by issuing overvalued coinage — a measure that predictably collapsed under market rejection within years of introduction. The Liu Song court cycled through multiple such revaluations during the 440s, none of which held.
Hartill's attribution places this squarely in the short window before the policy was abandoned, making dateable survivors rarer than the type's modest appearance suggests.