George III (1760-1820), Soho coinage, Proof Farthing, 1806, in silver, small letters both sides, stop after hibernia, edge plain, 3.36g/6h (S 6622; DF 606; Baldwin NY XVII, 818, same dies). Minor nick on reverse rim at 5 o’clock, otherwise extremely fine and attractively toned, very rare (£600-800)