Watch List notes:

George III (1760-1820), Halfcrown, 1818, edge milled, 14.11g, 12h (Pywell-Phillips 480[b]; ESC 2099 [621]; S.3789), light tone, good very fine / almost extremely fine.
Provenance
DNW 101, 21 June 2012, lot 731
Estimate: £100 - £150