| Issuer | Brittany, Duchy of |
| Year | 1358-1359 |
| Type | Standard circulation coin |
| Value | 1 ROyal d`Or |
| Currency | Pound |
| Composition | Gold |
| Weight | 3.56 g |
| Dimensions | 26.5 mm |
| Thickness | |
| Shape and Technique | Round (irregular) Hammered |
| Orientation | Variable alignment ↺ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | Dy féodales#108, Jez#98, Boudeau#58, PA#463, Fr#92 |
| Obverse description | The duke, crowned, standing under a gothic canopy, wearing a coat fastened by a star, holding a fleur-de-lis scepter. |
| Obverse script | Latin |
| Obverse lettering | ✠
KAROL : DEI : GRA BRITANORU : DVX (Translation: Charles, by the grace of God, duke of Britons.) |
| Reverse description | Flowered cross cantoned with four lilies diverging from the center; a rose in the heart. |
| Reverse script | Latin |
| Reverse lettering | ✠ XPC:
VINCIT: XPC: REGNAT: XPC: IIIPERAT (Translation: Christ defeats, Christ rules, Christ commands.) |
| Edge | |
| Mint | |
| Mintage | ND
(1358-1359) - - |
| Catalog ID | 5290040870 |
| Comments |
