| Issuer | Brittany, Duchy of |
| Year | 1380-1389 |
| Type | Standard circulation coin |
| Value | 1 Blanc (1⁄24) |
| Currency | Pound |
| Composition | Silver |
| Weight | 1.68 g |
| Dimensions | 24 mm |
| Thickness | |
| Shape and Technique | Round (irregular) Hammered |
| Orientation | Variable alignment ↺ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | Dy féodales#201-203 |
| Obverse description | Lion of Montfort to the left, wearing a cape of ermines. |
| Obverse script | Latin |
| Obverse lettering | ✠
IoHannes * DUX * BRITANAnIE (Translation: John, duke of Brittany.) |
| Reverse description | Flowered cross. |
| Reverse script | Latin |
| Reverse lettering | ✠
Bndictu * SIT * nome * DnI * DI (Translation: Blessed be the name of our Lord.) |
| Edge | |
| Mint | N Nantes, France (?-1837) R Rennes, France V Vannes, France |
| Mintage | ND
(1380-1389) N - - ND (1380-1389) R - - ND (1380-1389) V - - |
| Catalog ID | 2395197090 |
| Comments |
