George III (1760-1820), Bank of England, MEXICO, Charles IV, 8 Reales, 1791fm, Mexico City, obv. countermarked with head of George III in oval, obv. field engraved (Smr. Sambrook, Born 23 Dec 1795), 26.82g/12h (ESC 1852; S 3765A). Coin and countermark good very fine; an unusual piece £400-£500

A. Harley Collection, Baldwin Auction 71, 29 September 2011, lot 1894 [from Format 1990]