Watch List notes:

George III (1760-1820), Half-Guinea, 1797, fifth laureate head right, rev. crowned 'Spade' shield, edge obliquely milled, 4.21g, 12h (Murdoch III, 104[a]; Selig -; King - [cf. 186]; Schneider II, 621; MCE 436; Spink 3735), choice, practically mint state.
Provenance
From the Hayleigh Collection
, ,
NGC MS64 (Certification #5879379-018)
, https://www.ngccoin.com/certlookup/5879379-018/64/
Estimate: £800 - £1,000