Tanka - Jahanshah countermarked type
€195,965.00
| Issuer | Tribal federation of Qara Qoyunlu |
| Year | 1467 |
| Type | Standard circulation coin |
| Value | 1 Tanka |
| Currency | Tanka (1375-1468) |
| Composition | Silver |
| Weight | 4.83 g |
| Dimensions | 20 mm |
| Thickness | |
| Shape and Technique | Round (irregular) |
| Orientation | Variable alignment ↺ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | Mitch WI#2371, A#2494 |