| Issuer | Roman Empire (27 BC - 395 AD) |
| Year | 291 |
| Type | Standard circulation coin |
| Value | Antoninianus (1) |
| Currency | Antoninianus, Reform of Caracalla (AD 215 – 301) |
| Composition | Silver |
| Weight | |
| Dimensions | |
| Thickness | |
| Shape and Technique | Round (irregular) Hammered |
| Orientation | |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | RIC V.2#384a, OCRE#ric.5.dio.384a |
| Obverse description | Bust of Maximian, radiate, cuirassed, left, holding spear in right hand and shield in left hand. |
| Obverse script | Latin |
| Obverse lettering | IMP
MAXIMIANVS AVG (Translation: Imperator Maximianus Augustus. Supreme commander (Imperator) Maximian, emperor (Augustus).) |
| Reverse description | Jupiter, standing left, holding Victory on globe in right hand and sceptre in left hand; at foot, eagle. |
| Reverse script | Latin |
| Reverse lettering | IOVI AVGG
-/-//A (Translation: Iovi Duorum Augustorum. To Jupiter of the two emperors (Augusti).) |
| Edge | |
| Mint | |
| Mintage | ND (291) - `A` in exergue; - |
| Catalog ID | 1212363750 |
| Comments |
