George III (1760-1820), Third-Guinea, 1799, Type 1, first laureate head right, rev. crown, date in legend, edge obliquely milled, 2.78g, 12h (Murdoch III, 109[b]; Selig 1069; MCE 451; EGC 869 [R3]; Spink 3738), some superficial marks on cheek, otherwise lustrous, almost extremely fine, the key date of issue.
Estimate: £600.00 - £1,000.00