Watch List notes:

BRITISH COINS, George III (1760-1820), Pre-1816 issues, Proof Halfpenny, 1806 (late Soho), in copper, edge centre-grained, 9.56g/12h (BMC 1364 [KH 36]; S 3781; Selig 1403). Light spotting on obverse, otherwise virtually as struck £150-200