George III (1760-1820), Rose Half-Guinea, 1777, fourth laureate bust right, rev. crowned garnished shield, eights strings to harp, edge obliquely milled, 4.19g, 6h (EGC 819; MCE 420; Spink 3734), some light cabinet friction, otherwise with a most pleasing reddish tone and full lustre, good extremely fine.
Estimate: £800 - £1,000