GREAT BRITAIN. Mint Error -- Struck on Foreign Copper-Nickel Planchet -- Penny, 1976. Llantrisant Mint. NGC MS-63. cf. S-B1 (for regular issue); cf. KM-915 (same). Weight: 2.82 gms. Normally encountered on a bronze planchet, this specimen instead features a copper-nickel planchet of uncertain foreign origin. <strong>RARE </strong>and highly interesting.
