Description
| Obverse | GALLIENVS·P·F·AVG Radiate and cuirassed bust of Gallienus right |
| Reverse | DEO MARTI Mars standing left within tetrastyle temple, holding shield and spear |
| Denomination | Antoninianus |
| Date | AD 258-259 |
| Mint | Colonia Agrippinensis (Cologne) |
| Metal | Silver |
| Weight | 3.63 g |
| Diameter | 22.5 mm |
| Reference | MIR 889h – RIC 10 – Cohen 149 |
| Condition | VF |