EGYPT: Hussein Kamil, 1914-1917, copper-nickel 10 milliemes (5.68g), Kings Norton (1917/AH1335)-KN, KM-Pn33, uniface trial strike of the reverse of type KM-316, UNC, RRR. Only recently added to the Krause catalog, possibly unique, and certainly of the greatest rarity.
Estimate: 700-900 USD