Watch List notes:

(g) George III (1760-1820), Sovereign, 1820, 'Open 2', large date, edge milled, 7.92g, 6h (Spink 3785C; Marsh 4; MCE 466; Murdoch III, 100[b]; King - [cf. 186]; Stratos 116), cleaned, almost very fine.

Estimate: £350 - £450