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10 Nummi - Justinian I Nicomedia, Type ♰ I ♰
| Issuer | Byzantine Empire |
|---|---|
| Year | 527-556 |
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| Value | Decanummium = 10 Nummi (1⁄720) |
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| Composition | Log in to see details |
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| Obverse description | Bust of Emperor Justinian I facing right, diademed, draped, and cuirassed, rendered in the late antique imperial style typical of early Byzantine coinage. The effigy displays a pearl diadem across the brow, with the paludamentum fastened at the right shoulder and the segmented cuirass visible at the chest. The portrait is set within an open field, with the abbreviated imperial titulature partially legible in the surrounding legend. The fabric of the flan is irregular and slightly convex, consistent with hammered copper coinage of the period. |
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| Edge | Plain |
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| Additional information |
Nicomedia — ancient Bithynian capital and one of Diocletian's favored imperial residences — operated as a Byzantine mint throughout Justinian's reign, striking small-module bronze in quantity to serve the cash economy of Asia Minor. The mint mark NIK (or NIKO) on these pieces distinguishes them cleanly from Constantinople output. Justinian's sweeping monetary reform of 538 reorganized the follis and its fractions, but the 10-nummi denomination had been fixed earlier, around 527–538, as part of the initial restructuring that reintroduced explicit denomination marks on bronze after decades of unmarked coinage.