George III (1760-1820), New coinage, Crowns (4), 1818, edge lviii, 1819, edge lix, 1820, edge lx (2) (ESC 211, 215, 219; S 3787) [4]. Very fine or better, but one 1820 coin engraved ‘JJK bn 1819’ on obverse (£200-250)