William & Mary. AR Halfcrown. 1690. First busts, second shield. Crown without pearls or frosting. TERTIO. Bull 849; ESC 515; SCBC 3435. A few flecks under rich purple tone. Flashes of underlying luster. Rare. In NGC encapsulation 2118473-025, graded AU 58 TOP POP.
From the Mildenhall Collection. Purchased Spink, October 1991.