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20 Nummi - Anastasius I Dicorus Nicomedia, Type ⁑, Large Module
| Issuer | Byzantine Empire |
|---|---|
| Year | 498-518 |
| Type | Standard circulation coin |
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| Composition | Log in to see details |
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| Obverse description | Log in to see details |
|---|---|
| Obverse script | Latin |
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| Reverse description | Central field dominated by a large Greek letter K (kappa), denoting the denomination of 20 nummi (half-follis). A cross appears to the left of the K, flanked above and below by decorative stars or pellets. The letters N and I, referencing the Nicomedia mint, appear on either side of the cross. An officina letter appears to the right of the K, identifying the specific workshop. The design is bold and straightforward, consistent with the standardized Byzantine administrative coinage reform of Anastasius I. |
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| Additional information |
Anastasius I's currency reform of 498 AD was one of the most significant monetary restructurings in late Roman history — the introduction of the large follis and its fractions ended nearly a century of debased, near-worthless small copper coinage that had made everyday transactions absurdly cumbersome. The 20 nummi piece was part of that new denominational hierarchy, struck at Nicomedia under the reformed system.
The Nicomedia mint, designated NIK in its issues, had operated continuously since Diocletian's tetrarchic reorganization. The "Large Module" designation reflects the deliberate weight standard Anastasius enforced — a standard his successors Justin I and Justinian I would inherit but struggle to maintain consistently.