| Silver Halfcrown of William IV (1831, 1834) |
| Diameter: 32.31mm |
| Weight: 14.1380g |
| Fineness: .925 Silver, .075 Copper |
| Silver Content: 0.4205 oz |
| Obv: | Bare head of William IV right, WW in block on truncation |
| GULIELMUS IIII D:G: BRITANNIAR: REX F:D: |
| Rev: | Crowned shield of arms (harp and lions) and mantle |
| ANNO date |