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| 正面描述 | Radiate, draped, and cuirassed bust of Gallienus facing right, rendered in typical provincial style with the radiate crown clearly distinguishable despite the coin's worn surfaces. A circular legend frames the portrait, reading the emperor's full titulature in Greek characters distributed around the periphery of the flan. The portrait exhibits the abbreviated, stylized treatment characteristic of Bithynian provincial bronzes of the mid-third century. The flan is irregular in shape, consistent with hammered manufacture of the period. |
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| 正面文字 | 登录 以查看详情 |
| 正面铭文 | 登录 以查看详情 |
| 背面描述 | 登录 以查看详情 |
| 背面文字 | 登录 以查看详情 |
| 背面铭文 | 登录 以查看详情 |
| 边缘 | Plain |
| 铸币厂 | 登录 以查看详情 |
| 铸造量 | 登录 以查看详情 |
| 附加信息 |
Nicaea was among the most prolific civic minting authorities in Roman Bithynia, producing bronze issues through the reigns of dozens of emperors. The joint portrait type — showing Valerian alongside his son Gallienus — reflects the formal co-emperorship established in 253 AD after Valerian's elevation by the eastern legions following Aemilian's brief and chaotic reign. Nicaea's civic bronze ceased entirely with Gallienus's later prohibition of provincial bronze coinage around 260–268, making issues from this window the city's final output before that authority was extinguished.