Lot 2560
Lot 32560 > Republic silver Proof Essai 20 Centimes 1877 IB-CT PR63 NGC, KM-Pn76, VG-3901, cf. Guttag-2214A (for piefort essai), Maz-2236var (R3; alloy), Arroyo-HA#P34. Perhaps even scarcer than the piefort essai of the same design, the present offering represents the sole example of this pattern that we have encountered, evenly cabinet-toned with iridescent shades over antique argent surfaces. One of only 2 certified at NGC, and highly desirable as such. Ex. Ponterio & Associates CICF Auction (March 1992, Lot 1457)
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