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| Country | 🇬🇧 United Kingdom |
| Year | 1787 |
| Denomination | ½ Guinea (21⁄40) |
| Mint | Royal Mint · Llantrisant |
| Circulation | Circulating |
| Demonetised | Yes |
| Composition | Gold (.9167) |
| Weight | 4.680g |
| Diameter | 20.0mm |
| Shape | Round |
| Orientation | Medal alignment ↑↑ |
| Grade scale | UK (EF/UNC) |
Fifth laureate portrait of King George III right, legend around. Script: Latin
Crowned quartered shield of arms in the shape of a spade, legend around, date below. Script: Latin