Watch List notes:

George III (1760-1820), Guinea, 1794, fifth laureate head right, rev. crowned 'Spade' shield, edge chevron milled, 8.39g, 12h (Murdoch III, 97[b]; Selig 1029-30; King - [cf. 183]; Schneider II, -; MCE 398; Spink 3729), rubbed, good fine to very fine.
Provenance
From the Quinn Collection
Purchased SBV Numismatics (Basel), 18 March 1991 - CHF480
, ,
NGC XF45 (Certification #5879377-005)
, https://www.ngccoin.com/certlookup/5879377-005/45/
Estimate: £350 - £450