Watch List notes:

IRISH COINS, James II (1685-1691), Pewter coinage, Proof Halfpenny, 1690, type I, in silver, from the same dies as previous, thin flan [of a contemporary French Twelfth-Écu], edge plain, 2.12g/6h (S 6591A; DF 484; KM. 96b; cf. Baldwin 59, 253, same dies). Traces of undertype both sides, extremely fine and deeply toned, rare £1,000-1,500

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Provenance: SNC October 1979 (73); bt Spink August 1980