Watch List notes:

The Hardcastle Collection | PROOF 64 BROWN CAMEO | Ireland, George III, Bank of Ireland, Proof Six Shillings, 1804, in copper, Soho, top leaf points to centre of E in DEI, laureate and draped bust right, rev. Hibernia seated left, 27.02g, 12h (KM TN1; S.6615), a couple of tiny marks on the obverse before the portrait, otherwise as struck, a brilliant proof, very rare, in NGC holder, graded PF64 BNC (Cert. #5878624-004).

Estimate: £800 - £1,000