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Copper Punchmark
| Issuer | Mauryan Empire |
|---|---|
| Year | 200 BC |
| Type | Standard circulation coin |
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| Obverse description | Irregular square copper flan struck by the punchmark technique, displaying heavily patinated surfaces with blue-green cuprite corrosion overall. The obverse bears one or more incuse punchmarks applied individually, including what appears to be a circular or crescent-like symbol punched into the field. The flan is roughly cut with uneven edges characteristic of early Indian coinage. Surface detail is obscured by heavy encrustation consistent with extended burial or circulation. |
|---|---|
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| Reverse description | The reverse exhibits a similarly patinated, roughly square copper surface with at least one prominent circular punchmark visible in the field, applied with a distinct stamp producing a clear incuse impression. The surrounding field shows irregular tool marks and surface corrosion typical of ancient Indian punchmarked coinage. The flan edges are irregular and unfinished, consistent with hand-cut copper blanks used during the Mauryan period. |
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| Additional information |
Mauryan copper punchmarks occupy an awkward place in the numismatic record — the empire's silver punchmarks are well-documented and attributable, but the copper issues remain poorly understood, with attribution to the Mauryan state itself still debated among specialists. Some scholars assign them to local or regional authorities operating under Mauryan administrative reach rather than to the imperial mint directly.
By 200 BC the Mauryan state was already in terminal decline, fragmenting after Ashoka's death around 232 BC. Coins from this late phase were likely produced under successors whose grip on the subcontinent was shrinking fast — Brihadratha, the last Mauryan emperor, was assassinated by his own general Pushyamitra Shunga around 185 BC.