| Object Number | 29-128-258 |
| Current Location | Collections Storage |
| Provenience | Mediterranean |
| Period | Neoclassical |
| Date Made | 1700-1850 |
| Section | Mediterranean |
| Materials | Onyx |
| Technique | Cameo |
| Iconography | Roman Emperor | Pertinax |
| Description | Sommerville: Onyx. Pertinax, nineteenth Emperor of Rome. Greek and Roman Cameos, Case O. Vermeule: Onyx. Cameo. (Unmounted). Laureated draped bust of the emperor Pertinax (A.D. 193) copied either from coins or from well-known bust in the British Museum (Cat., 1915). |
| Length | 2.4 cm |
| Width | 1.5 cm |
| Credit Line | Bequest of Maxwell Sommerville, 1904 |
| Other Number | 258 - Sommerville Number |
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