Tetrachalkon
€143,622.00
| Issuer | Aigion |
| Year | 37 BC - 31 BC |
| Type | Standard circulation coin |
| Value | 1 Tetrachalkon = 1/2 Obol = 1⁄12 Drachm |
| Currency | Drachm |
| Composition | Bronze |
| Weight | 4.59 g |
| Dimensions | 19.0 mm |
| Thickness | |
| Shape and Technique | Round (irregular) Hammered |
| Orientation | |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | BCD Peloponnesos#438, BCD Peloponnesos#439 |