Brazil
Joao Prince Regent gold 4000 Reis 1812-(R) MS64 NGC, Rio de Janeiro mint (no mintmark on coin), KM235.2, Russo-572C. Variety described by Russo as "PORT.ET.BRAS" with the denomination between dots. Choice Mint State with essentially unmarked surfaces and vibrant luster under attractive reddish toning. Very scarce and desirable in this lofty preservation.
Estimate: 2000-2500 USD