Watch List notes:

MS63 | William III (1694-1702), Halfcrown, 1698 DECIMO, rev. seven strings to harp, angles plain, edge lettered, 7h (ESC 1034 [554]; S.3494), traces of adjustment on face, otherwise lustrous and choice, much as struck, rare in this condition, in NGC holder, graded MS63 (Cert. #5878613-012) [Tied 1 of 14 / 10 Finer].

Estimate: £800 - £1,000