Isabel II Pair of Certified gilt-copper Proof Uniface Obverse & Reverse Trial 100 Reales 1856 NGC, 1) Obverse 100 Reales - PR64 2) Reverse 100 Reales - PR65 Madrid mint, cf. KM605.2, cf. Cal-21. An extremely rare and high-grade pair, seemingly absent from previous auction records. Bright gold in color with subdued prooflike surfaces, their blank uniface sides curiously showing hints of the intended reciprocal design.

HID09801242017

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