George III (1760-1820), Pre-1816 issues, Proof Penny, 1797 (late Soho), in copper, from the same dies as previous, 6h (BMC 1119 [KP 16]; Selig 1284; Adams –; S 3777). Minor marks in obverse field and some spotting on reverse, otherwise virtually as struck with a hint of original colour, very rare £400-500

Provenance: Goldberg Auction (Beverly Hills), 21 September 2005, lot 3383.

Slabbed in NGC holder, graded PF 63 BN