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| Country | 🇬🇧 United Kingdom |
| Year | 1910–1963 |
| Face value | 12p |
| Mint | Royal Mint · Llantrisant |
| Series | Shilling |
| Circulation | Circulating |
| Demonetised | Yes |
| Composition | Tin clad iron |
| Weight | 1.750g |
| Diameter | 38.0mm |
| Shape | Square with rounded corners |
| Orientation | Medal alignment ↑↑ |
| Grade scale | UK (EF/UNC) |
Denomination within inner square, legend around. Script: Latin
Other side of the