Watch List notes:

(g) MS62 | George III (1760-1820), 'New Coinage', Sovereign, 1820, 'Closed 2', Small Date, edge milled, 8.00g, 5h (Bentley 8; Stratos - [cf. 118]; Marsh 4B; Schneider II, 630; MCE 466; Spink 3785C), lightly wiped and resultantly bright, nevertheless residually lustrous, almost extremely fine, in NGC holder, graded MS62 (Cert. #6295129-002).
Provenance
The Lansdown Collection of Guineas and Sovereigns,
Estimate: £800 - £1200