| Province | Bithynia |
| City | Heracleia Pontica |
| Size (mm) | 24 |
| Weight (g) | 7.1 |
| Die Axis | 180 |
| Tariff | - |
| Governor | - |
| Ob. Leg. | M OPEL ANT DI-ADOVMENIANOC |
| Ob. Desc. | Bare headed, draped and cuirassed bust right |
| Meaning | Marcus Opellius Antonius Diadumenianus |
| Rev. Leg. | HRAKLHA-C ENPONTW | Rev. Desc. | Dionysus in short chiton, standing facing, leaning on a thyrsos in his left hand and holding a kantharos in his lowered right hand. Panther at feet. | Meaning | (Coin) of the people of Heracleia Pontica – Honouring the god of wine and good times, and guardian of the spiritual wellbeing | References | Collection; Wadd.Vol.1 p.372, no. 177, pl. LX, 21; ISEGRIM 31217; SNG AUL 6955 | Notes: |