| Issuer | Kings of Bithynia |
|---|---|
| Year | 85 BC - 65 BC |
| Type | Standard circulation coin |
| Value | Tetrachalkon (1⁄12) |
| Currency | Drachm |
| Composition | Brass |
| Weight | 8.4 g |
| Diameter | 20 mm |
| Thickness | 3 mm |
| Shape | Round (irregular) |
| Technique | Hammered |
| Orientation | Variable alignment ↺ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | GCV#3765, SNG BM Black Sea#1560-1565, BMC Greek#1-3 |
| Obverse description | Head of Zeus right, laureate. |
|---|---|
| Obverse script | |
| Obverse lettering | |
| Reverse description | Eagle standing left on thunderbolt, head right, wings outstretched; inscription in exergue; monogram in left field. |
| Reverse script | Greek |
| Reverse lettering | ΔΙΑΣ (Translation: of Dia) |
| Edge | |
| Mint | |
| Mintage | ND (85 BC - 65 BC) - - |
| Numisquare ID | 2149344680 |
| Comments |