Watch List notes:

William III. AR Halfcrown. 1701. First bust, plumes. D. TERTIO. Bull 1052; ESC 567; SCBC 3496. Richly toned with underlying luster. As usual for this type the reverse much stronger than the obverse. In NGC encapsulation 2118473-037, graded AU 50.

From the Mildenhall Collection. Ex Spink Numismatic Circular, February 1994, no. 314; H. E. Manville (Spink 9, 4 June 1980), lot 141.