Catalog
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| Issuer | Alexandria (Egypt) |
|---|---|
| Year | 159-160 |
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| Composition | Log in to see details |
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| Technique | Hammered |
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| Reverse description | Confronted draped busts of the syncretic deities Sarapis and Isis, facing one another: Sarapis to the right, his head adorned with a taenia and surmounted by the distinctive kalathos (modius), and Isis to the left, wearing the basileion (crown consisting of cow horns, solar disk, and feathers). The juxtaposition of the two principal Alexandrian deities conveys dynastic and religious authority. The regnal year date L ΚΓ (Year 23, corresponding to 159–160 AD) appears in the field, serving as the primary chronological marker on this tetradrachm. |
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| Edge | Plain |
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| Additional information |
Year 23 of Antoninus Pius's reign — 159/160 AD — falls near the administrative peak of Roman Egypt's most stable imperial period. Alexandria's billon tetradrachms from this regnal year were struck under the prefect's authority as part of a closed currency system: Ptolemaic-descended coinage that could not legally circulate outside Egypt, forcing all incoming silver to be exchanged at the nome banks and restruck into this debased local fabric. The Dattari reference traces to Giovanni Dattari's early 20th-century Cairo collection, the single largest systematic hoard of Alexandrian tetradrachms ever assembled.