Catalog
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| Issuer | Tium (Bithynia and Pontus) |
|---|---|
| Year | 253-260 |
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| Composition | Log in to see details |
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| Diameter | Log in to see details |
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| Shape | Round (irregular) |
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| Obverse description | Log in to see details |
|---|---|
| Obverse script | Greek |
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| Mintage | ND (253-260) |
| Additional information |
Tium was a minor Bithynian coastal city whose civic coinage output was modest even by provincial standards, and joint-reign issues naming both Valerian and his son Gallienus as co-emperors fall within a narrow seven-year window before Valerian's capture by Shapur I at the Battle of Edessa in 260 — the only time a sitting Roman emperor was taken prisoner by a foreign enemy. That catastrophe effectively ended the joint reign and halted whatever remained of Tium's imperial bronze production under this pairing.