| 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 | |
| Dimensions | |
| Thickness | |
| Shape and Technique | Round (irregular) Hammered |
| Orientation | Coin alignment ↑↓ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | RIC VII#316, OCRE#ric.7.tri.316 |
| Obverse description | Buste of Constantine I to right, helmeted, cuirassed. |
| Obverse script | Latin |
| Obverse lettering | CONSTANTINVS AVG (Translation: Constantinus Augustus Constantin August) |
| Reverse description | Globe on altar inscribed with vows; three stars above. Officina and Trier mintmark in exergue. |
| Reverse script | Latin |
| Reverse lettering | BEATA TRANQVILLITAS
VO
TIS
XX (Translation: Beata Tranquillitas: The blessed peace Votis vicennalibus: Vows for the twentieth reign anniversary) |
| Edge | |
| Mint | TR Augusta Treverorum / Treveri,modern-day Trier, Germany |
| Mintage | ND (321) - 1st officina (PTR) - ND (321) - 2nd officina (STR) - |
| Catalog ID | 1646193180 |
| Comments |
