George III (1760-1820), Pre-1816 issues, Pattern Halfpenny, 1790 (early Soho), by J.-P. Droz, in brown-gilt copper, laureate bust right, rev. Britannia seated left, edge guilloche, 16.14g/6h (BMC 952 [DH 6]; Selig 1326). Scattered marks across otherwise bright surfaces, extremely fine £200-£260