Penny - Ceolwulf I Group I, London
€1.00
| Issuer | Kingdom of Mercia (Kingdoms of British Isles and Frisia) |
| Year | 821-823 |
| Type | Standard circulation coin |
| Value | 1 Penny (1⁄240) |
| Currency | Pound |
| Composition | Silver |
| Weight | 1.43 g |
| Dimensions | |
| Thickness | |
| Shape and Technique | Round (irregular) Hammered |
| Orientation | Variable alignment ↺ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | Sp#922 , North#378 |