| Ruler | Jean I 'le Roux' |
| Mint | Brittany |
| Date | 1231-1286 |
| Size (mm) | - |
| Weight (g) | - |
| Die Axis | - |
| Tariff | - |
| Ob. Leg. | - |
| Ob. Desc. | Short Cross |
| Meaning | - |
| Rev. Leg. | - | Rev. Desc. | Shield | Meaning | References; | Collection; Boudeau, Monnaies Francaises (Provinciales) No.36 | Notes: |