Bulgaria
Ferdinand I copper Essai 10 Santim 1887-AB MS65 Red and Brown NGC, KM-E3. Having a purported mintage of just 8 specimens, this highly attractive pattern, designed by Auguste Birchaut, exhibits richly pleasing red-brown surfaces along with resplendent luster. Tied for the finest graded by NGC with just one other example at MS65 RB.
HID02901242017
Estimate: 2500-3500 USD