Watch List notes:

BRITISH COINS, George III (1760-1820), Pre-1816 issues, Pattern Halfpenny, 1799 (early Soho), by C.H. Küchler, in gilt-copper, laureate bust right, rev. Britannia seated left, edge grained, 13.03g/6h (BMC 1233 [KH 16]; Selig 1386). Brilliant and virtually as struck £400-500