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| Country | 🇬🇧 United Kingdom |
| Year | 1811 |
| Denomination | ½ Penny (1⁄480) |
| Face value | 1p |
| Mint | Royal Mint · Llantrisant |
| Circulation | Circulating |
| Demonetised | 1831 |
| Composition | Copper |
| Weight | 8.700g |
| Diameter | 28.0mm |
| Thickness | 1.00mm |
| Shape | Round |
| Orientation | Medal alignment ↑↑ |
| Grade scale | UK (EF/UNC) |
A helmeted Britannia standing facing. A spear vertical in left hand, right hand on a shield at feet. A lion behind standing facing right. Blank exergue,
Arms of the city (shield containing lion below castle), but crest omitted.