| 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 | 4 g |
| Dimensions | 21 mm |
| Thickness | |
| Shape and Technique | Round (irregular) Hammered |
| Orientation | |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | RIC V.2#89, OCRE#ric.5.dio.89 |
| Obverse description | Bust of Diocletian, radiate, wearing imperial mantle, left, holding globe in right hand. |
| Obverse script | Latin |
| Obverse lettering | IMP
DIOCLETIANVS AVG (Translation: Imperator Diocletianus Augustus. Supreme commander (Imperator), Diocletian emperor (Augustus).) |
| Reverse description | Salus, draped, standing right, feeding snake held in arms. |
| Reverse script | Latin |
| Reverse lettering | SALVS AVGG
C/-//- (Translation: Salus Duorum Augustorum. Health of the two emperors (Augusti).) |
| Edge | |
| Mint | |
| Mintage | ND (291) - `C` in left field; - |
| Catalog ID | 7541926170 |
| Comments |
