| Silver Halfcrown of William and Mary (1689) |
| Weight: 15.0501g |
| Fineness: .925 Silver, .075 Copper |
| Silver Content: 0.4476 oz |
| Obv: | Cojoined busts of William and Mary laureated and draped right, first busts |
| GVLIELMVS·ET·MARIA·DEI·GRATIA |
| Rev: | Crowned shield with arms (harp and lions), Lion of Nassau at center, first shield with lions and fleurs in separate quarters |
| date ·MAG·BR·FR·ET·HIB·REX·ET·REGINA· |