Catalog
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| Issuer | Alexandria (Egypt) |
|---|---|
| Year | 256-257 |
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| Composition | Log in to see details |
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| In circulation to | Log in to see details |
| Reference(s) | Emmett 3836(4); Dattari 5138 |
| Obverse description | Log in to see details |
|---|---|
| Obverse script | Greek |
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| Mint | Alexandria (ancient), Egypt (332 BC - 476 AD) |
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| Additional information |
This tetradrachm was struck in Year 4 of the joint reign, when Valerian and Gallienus were still nominally co-emperors with some functional coherence between them — a situation that would deteriorate sharply. Within two years, Valerian was campaigning against Shapur I and would become the only Roman emperor captured alive in battle, at Edessa in 260. The Alexandria mint continued producing in Gallienus's name alone after that disaster, making joint-reign issues like this one a narrow chronological window.