France
Napoleon III silvered-copper Uniface Reverse Plaque 5 Francs 1861 MS63 NGC, cf. KM799.1 (for standard issue), Maz-1646a. A very rare cliche, recorded by Mazard to be silvered-bronze, the silvery sheen emitting an entrancing watery luster filled with golden-amber and blue accents.
HID02901242017
Estimate: 400-600 USD