Watch List notes:

The Hardcastle Collection | PROOF 64 BROWN | George III (1760-1820), Pattern Halfpenny, 1797, 'Cartwheel' type, by C H Küchler, in copper, Soho, laureate and draped bust right, two berries in wreath, rev. Britannia seated left, holding olive branch and trident, ship left with three stays (Peck 1157), some faint carbon spotting before bust and rub to Britannia's bosom, otherwise a wonderful miror-like proof, about brilliant uncirculated, in NGC holder, graded PF64 BN (Cert. #5878622-006).

Estimate: £200 - £300