Watch List notes:

(g) George III (1760-1820), Sovereign, 1820, 'Closed 2', laureate head right, rev. St. George and Dragon, edge milled, 8.00g, 6h (Murdoch III, 100[b]; King - [cf. 186]; Marsh 4B; Schneider II, 630; MCE 466; Spink 3785C), lustrous, a really bold very fine / near extremely fine.
Provenance
From the Quinn Collection
Purchased Baldwin, 22 January 1992 - £165
, ,
NGC AU58 (Certification #5879377-008)
, https://www.ngccoin.com/certlookup/5879377-008/58/
Estimate: £800 - £1,000