Catalog
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| Issuer | Alexandria (Egypt) |
|---|---|
| Year | 151-152 |
| Type | Standard circulation coin |
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| Edge | Plain |
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| Mintage | ND (151-152) |
| Additional information |
Year 15 of Antoninus Pius's reign, which this coin's regnal date marks, fell during one of the most administratively stable periods in Roman Egypt — no revolt, no currency crisis, just the machinery of the Alexandrian mint grinding through its annual tetradrachm production. The billon content of these issues had been quietly declining since the early empire, a process of slow debasement that accelerated markedly under later reigns.
Alexandria operated under a closed currency system: Roman provincial coins could not circulate freely into Egypt, nor Egyptian issues out. Every coin entering the province was reminted at a profit to the imperial treasury.