Cuba
Republic copper Proof Pattern 1/2 Peso 1870 P-CT PR63 Red and Brown NGC, Potosi mint, KM-X4a. Choice Proof with much red glow apparent in the fields and striking iridescent steel blue toning in the peripheries. An attractive example of this rare and sought after pattern issue, now though to have been struck at the Potosi mint by Clemente Torretti.
Estimate: 4000-5000 USD