Watch List notes:

(g) George III (1760-1820), Half-Guinea, 1810, seventh laureate head right, rev. crowned 'Garter' shield, edge obliquely milled, 4.19g, 12h (Murdoch III, 107[a]; Selig -; King - [cf. 188]; Schneider II, 623/-; MCE 446; Spink 3737), lustrous, very fine.
Provenance
From the Quinn Collection
, ,
NGC AU-Details ~ Obverse Scratched (Certification #5879377-006)
, https://www.ngccoin.com/certlookup/5879377-006/NGCDetails/
Estimate: £200 - £300