George III (1760-1820), Pre-1816 issues, Pattern Five Guineas, 1777, by R. Yeo, in white metal, laureate bust right, rev. crowned shield, edge plain, 21.05g/12h (cf. WR 78 [same dies]; S 3723A). Minor stains on reverse, otherwise good extremely fine, unique £3,000-4,000

Provenance: Baldwin Auction 48, 26 September 2006, lot 5034