Denier anonymous BLESIANIS CASTO
€381,022.00
| Issuer | Blois, County of |
| Year | 970-980 |
| Type | Standard circulation coin |
| Value | 1 Denier (1⁄240) |
| Currency | Livre |
| Composition | Silver |
| Weight | 1.4 g |
| Dimensions | 20 mm |
| Thickness | |
| Shape and Technique | Round (irregular) Hammered |
| Orientation | Variable alignment ↺ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | Dy féodales#573 |