Watch List notes:

William III (1694-1702), Sixpence, 1701, third bust right, rev., late harp with five strings, large crowns, (ESC 1252 {1581}; S.3538), occasional fleck, otherwise attractively toned, a pleasing extremely fine.
provenance
Spink Numismatic Circular, June 1993, no. 3563 - £95
Estimate: £300 - £400