Greece
George I nickel Essai 10 Lepta 1912 MS67 NGC, KM-E26, Karamitsos-T79, variety without mintmarks on the obverse and ESSAI on the reverse. Superb in all aspects, with full strike, lustrous satiny surfaces, and no significant flaws. No examples have been certified finer than this spectacular piece.
Estimate: 4000-5000 USD