| Silver Halfcrown of George III (1817-1820) |
| Diameter: 32.31mm |
| Weight: 14.1380g |
| Fineness: .925 Silver, .075 Copper |
| Silver Content: 0.4205 oz |
| Obv: | Laureated head of George III right, small head |
| GEORGIUS III DEI GRATIA date |
| Rev: | Crowned garter with shield with arms (harp and lions) inside |
| BRITANNIARUM REX FID: DEF: HONI SOIT Q[UI] MAL Y PENSE |