20 Nummi - Justin I Nicomedia
€1.00
| Issuer | Byzantine Empire |
| Year | 518-527 |
| Type | Standard circulation coin |
| Value | 1/2 Follis (1⁄576) |
| Currency | First Solidus Nomisma (498-720) |
| Composition | Bronze |
| Weight | 6.58 g |
| Dimensions | 23 mm |
| Thickness | |
| Shape and Technique | Round (irregular) Hammered |
| Orientation | Coin alignment ↑↓ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | BCV#90, DOC I#34a, Sommer Byz#2.33, MIB I#42 |