Mexico
Republic 8 Reales 1855 Pi-MC AU Details (Tooled) PCGS, San Luis Potosi mint, KM377.12, DP-Pi34. Essentially Mint State in terms of detail with several pinscratches on the rims between 10 and 12 o'clock on the caps and rays side. Listed as very scarce by Dunigan and Parker with few archived sales confirming this assertion.
Estimate: 150-250 USD