| Issuer | Roman Empire (27 BC - 395 AD) |
| Year | 321 |
| Type | Standard circulation coins |
| Value | Nummus (1⁄7200) |
| Currency | Solidus, Reform of Constantine (AD 310/324 – 395) |
| Composition | Bronze |
| Weight | 2.96 g |
| Dimensions | 19.59 mm |
| Thickness | |
| Shape and Technique | Round (irregular) Hammered |
| Orientation | Variable alignment ↺ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | RIC VII#237, OCRE#ric.7.rom.237 |
| Obverse description | Head of Constantine I, laureate, right. |
| Obverse script | Latin |
| Obverse lettering | CONSTAN-TINVS AVG or
CONST-ANTINVS AVG or
CONSTA-NTINVS AVG or
CONSTANT-INVS AVG (Translation: Constantine I, emperor.) |
| Reverse description | Laurel wreath around votive inscription. Mintmark and officina in exergue. |
| Reverse script | Latin |
| Reverse lettering | D N CONSTANTINI MAX AVG
VOT
XX (Translation: Vows for the twentieth anniversary of the reign of our lord Constantine the great emperor.) |
| Edge | |
| Mint | R Rome (ancient), Italy (?-476) |
| Mintage | ND (321) - 1st Officina (RP) - ND (321) - 2nd Officina (RT) - ND (321) - 3rd Officina (RS) - ND (321) - 4th Officina (RQ) - |
| Catalog ID | 1516254730 |
| Comments |
