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| Country | 🇬🇧 United Kingdom |
| Year | 1774–1775 |
| Denomination | ½ Guinea (21⁄40) |
| Mint | Royal Mint · Llantrisant |
| Circulation | Circulating |
| Demonetised | Yes |
| Composition | Gold (.9167) |
| Weight | 4.200g |
| Diameter | 21.0mm |
| Shape | Round |
| Orientation | Coin alignment ↑↓ |
| Grade scale | UK (EF/UNC) |
Third laureate portrait of King George III right, legend around.
Crowned quartered shield showing the arms of England & Scotland, France, Ireland and Hanover, divided date above, legend around. Script: Latin