Great Britain
George III Error Farthing (1/4 Penny) ND (1771-1775) MS65 Brown NGC, KM602, S-3775. Mirror Brockage Error. Unheard of quality for an error of this period with significant amounts of mint red color remaining within the protected devices. A coin that would highlight even an advanced collection of errors. Krause catalog price(s) for this item: $500 in UNC.
Estimate: 2500-3000 USD