| Base Halfpenny of William IV (1831-1837) |
| Diameter: 28.00mm |
| Weight: 9.4500g |
| Fineness: 1.000 Copper |
| Obv: | Bare head of William IV right |
| GULIELMUS IIII DEI GRATIA date |
| Rev: | Britannia seated right on rock holding trident and resting shield against right side, floral emblem below |
| BRITANNIAR: REX FID: DEF: |
|
| Year | Mintage |
|
Year | Mintage |
|
Year | Mintage |
| 1831 | 806,400 |
|
1831 Prf Normal axis | |
|
1831 Prf Medal axis | |
| 1834 | 537,600 |
|
1837 | 349,440 |
|
| |
|