The Martyn Alan Eeley-Hardcastle Collection of British Coins
George III (1760-1820), Pre-1816 issues, Proof Halfpenny, 1806 (late Soho), in gilt-copper, edge centre-grained, 9.43g/12h (BMC 1362 [KH 36]; Selig 1401; S 3781). Minor hairlines, otherwise brilliant and virtually as struck £500-£700
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Provenance: London Coins Auction 141 (Bracknell), 2 June 2013, lot 1813