| Base Halfpenny of George III (1806-1807) |
| Diameter: 29.00mm |
| Weight: 9.4500g |
| Fineness: 1.000 Copper |
| Obv: | Laureated and draped bust of George III right |
| GEORGIUS III·D:G·REX· date |
| Rev: | Britannia seated left on rock, holding branch and trident, shield resting at side, waves around, ship to left |
| BRITANNIA |
|