Niger
Republic gold 4-Piece Certified Essai Proof Set 1960, 10 Francs - PR64 Ultra Cameo NGC, KM-E1var.25 Francs - PR64 Ultra Cameo NGC, KM-E2var.50 Francs - PR64 Ultra Cameo NGC, KM-E3var.100 Francs - PR65 Ultra Cameo NGC, KM-E4var.Featuring President Diori Hamani with arms on reverse. Struck in gold rather than the listed silver. While we have seen a couple other singles from this set offered over the years, we've never come across a full set. Included with the original box of issue, which certainly adds to an item as unusual as this. Extremely rare.
Estimate: 2500-4500 USD