Watch List notes:

William III (1694-1702), 'Plumes' Shilling, 1699, fifth laureate, cuirassed and draped bust right, the 'high hair' variety, rev. four crowned shields cruciform, plumes in angles, five strings to harp, seven billets, obliquely milled edge, 5.99g, 6h (Bull 1149 [R2]; ESC 1119; Spink 3517), small metal flaw on obverse before portrait and lightly flecked, otherwise richly cabinet toned with underlying lustrous flare, almost extremely fine, rare, especially in this state.
Provenance
ReputedlyLord Hamilton of Dalzell MC, Spink 3, 21 February 1979, lot 261 - aadjustment mark across French arms, otherwise good very fine to extremely fine, toned, extremely rare
Seaby, by private treaty, August 1936
Estimate: £800 - £1,000