| Province | Bithynia |
| City | Prusa ad Olympum |
| Size (mm) | 25 |
| Weight (g) | 5.55 |
| Die Axis | - |
| Tariff | - |
| Governor | - |
| Ob. Leg. | M OPEL ANTWNINOC DI-ADOVMENIANOC |
| Ob. Desc. | Bare head right – seen from behind |
| Meaning | Marcus Opellius Antonius Diadumenianus |
| Rev. Leg. | PROVCAEWN | Rev. Desc. | Ajax, naked falling l. onto sword on rock formation | Meaning | (coin) of the people of Prusa – Honouring a hero from legend | References | Numismatik Lanz München Auction 112 November 25th, 2002 Lot number: 721 (illustrated with permission); Wadd. RG,123 pp.592 | Notes: |