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| Country | 🇬🇧 United Kingdom |
| Year | 1811 |
| Denomination | 1 Shilling (1⁄20) |
| Face value | 12p |
| Mint | Royal Mint · Llantrisant |
| Series | Shilling |
| Circulation | Circulating |
| Demonetised | 1831 |
| Composition | Silver |
| Weight | 3.700g |
| Diameter | 25.0mm |
| Thickness | 0.50mm |
| Shape | Round |
| Orientation | Medal alignment ↑↑ |
| Grade scale | UK (EF/UNC) |
Borough Arms (a lion standing in front of an oak tree) Script: Latin
Wreath of oak leaves containing four-line inscription above date Script: Latin