| Province | Moesia Inferior |
| City | Nicopolis ad Istrum |
| Size (mm) | 18 |
| Weight (g) | 4.47 |
| Die Axis | 5 |
| Tariff | 1 assarion |
| Governor | - |
| Ob. Leg. | K M OPEL DIADOVMENIANOC |
| Ob. Desc. | Bare head right |
| Meaning | Caesar, Marcus Opellius Diadumenianus |
| Rev. Leg. | NIKOPOLI-TWN PROC ICTΠ | Rev. Desc. | Cista half-opened (basket opening to the right) with snake emerging | Meaning | (Coin) of the residents of Nikopolis on the (river) Istrus – Blessings for a healthy family | References; | Collection; Moushmov 1341, AMNG.1881 | Notes: |