MEXICO. 8 Reales, 1856-PiMC. San Luis Potosi Mint. NGC MS-63.KM-377.12; DP-Pi35. Fully radiant quality with intricate detail appearing inside all portions of the design. Conditionally <strong>RARE </strong>in this Select (MS-63) quality, this being the single finest graded at NGC with a single comparable example at PCGS.NGC MS-63.