Watch List notes:

George III (1760-1820), Shilling, 1818, 'high 8' (ESC 2140 {1228}); also, 1817 (ESC 2151 {1234A}; S.3790), a few light pecks to cheek and other faint bagmarks, otherwise choice mint state.
provenance
M Rasmussen, list 26, Summer 2014 - £325
Baldwin 52, 25 September 2007, lot 541
Estimate: £250 - £350