Watch List notes:

Charles II. AR Halfcrown. 1679. Fourth bust. T. PRIMO. Bull 480; ESC 481; SCBC 3367. Some minor flecking otherwise with a rich blue-purple tone with hints of golden lustre. In NGC encapsulation 2118473-013, graded AU 58 TOP POP.

From the Mildenhall Collection. Ex W. D. Ferguson, Seaby Coin & Medal Bulletin. October 1960, no. 1022 .