Watch List notes:

(g) George III (1760-1820), Sovereign, 1820, 'Open 2', Large Date, laureate head right, rev. St. George and Dragon, edge milled, 7.91g, 5h (Stratos 116; Marsh 4; Spink 3785C), bright and residually lustrous, a bolder fine.
Provenance
Spink 204, 30 September 2010, lot 272 - £400
Estimate: £400 - £600