GREAT BRITAIN, British Coins, England, George III: Proof Farthing, 1798, struck in gilt-copper, by C H Küchler, Obv small laureate and draped bust right, date on raised rim below, Rev Britannia seated left, denomination on rim below, edge plain (Peck 1206, KF5). Lightly hairlined and one tiny rim nick, otherwise practically as struck and rare. Estimate: US$1,000-1,500