Watch List notes:

William and Mary (1689-94), Halfcrown, 1692 qvarto, second conjoined busts right, rev. crowned shields cruciform, WM monogram in angles (ESC 853 (517); S.3436), some haymarking and larger flaws on drapery, otherwise attractively toned with much underlying lustre, a pleasingly good very fine, scarce in this condition.
Provenance
"W M Maish" collection [?], cf. Sotheby, 25 March 1918, lot 424 [part] with his presumed ticket, although uniface and omitting the distinctive 'mapping pen' description
further stating: 'Rarity 3 of 7, 8 in 50 years of sales. 229¼[gns]'

Estimate: £600 - £800