Watch List notes:

IRISH COINS, George III (1760-1820), Soho coinage, Proof Farthing, 1806/5, in silver, edge plain, 4.88g/6h (S 6622; DF 606; KM. 146.2c; cf. LaRiviere 221). Minor hairlines, otherwise brilliant and virtually as struck with sharp rims, toned, very rare £1,000-1,500

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Provenance: Glendining Auction, 26 November 1980, lot 202