Important British and World Coinsxx

George III (1760-1820), New coinage, Trial striking of the obv. for a Pattern Crown, 1818, by B. Pistrucci, in lead, laureate bust right, georgius iii d : g : britanniarum rex f : d :, edge plain, 48.06g (cf. L & S 196; cf. Selig 1205). Some surface marks, otherwise very fine, of the highest rarity £300-400