Cuba
Republic copper Proof Pattern 10 Centavos 1870 P-CT PR63 Red and Brown NGC, Potosi mint, KM-X2a (previously KM-Pn2a). Choice Mint State with strong gushes of red color over fully lustrous surfaces with only a few mild abrasions. Clearly choice for the assigned grade and a most attractive example of this very scarce pattern, rare in this high preservation.
Estimate: 2000-2500 USD