Watch List notes:

(g) George III (1760-1820), Half-Sovereign, 1817, 'New Coinage', laureate head right, rev. crowned shield, edge milled, 3.99g, 6h (Murdoch III, 107[c]; Selig 1083; King 197; Marsh 400; MCE 467; Spink 3786), choice, practically as struck.
Provenance
The Apollo Collection
, ,
, NGC MS62 (Certification #5880293-012)
, https://www.ngccoin.com/certlookup/5880293-012/62/
Estimate: £800 - £1,000