Watch List notes:

AU58+ | William and Mary (1688-1694), 'Royal African Company', Guinea, 1689, Elephant and Castle, conjoined laureate busts right, rev. G over I in REGINA, crowned garnished shield, late harp, edge obliquely milled, 5h (Slaney II, 376; cf. Farey 317; EGC 363; MCE 149; Spink 3427), some flecking otherwise lustrous with a hint of peripheral reddish tone, an attractive good very fine, very rare, one of only seven examples traced by this cataloguer in commerce this Millenium, and this the highest certified, in NGC holder, graded AU58+ (Cert. 5880285-004).
Provenance
Spink 235, 22 March 2016, lot 508
Spink 204, 30 September 2010, lot 253
Spink 81, 19 November 1990, lot 134
,
This example superior to the 2008 NYINC [AU55] and 2005 Cheshire Collection [AU58] specimens.
Estimate: £9000 - £12000