10 000 Réis - Pedro II

Brazil's gold coinage of this period was produced at a time when the imperial government was actively trying to consolidate monetary credibility after decades of chaotic transitions — independence in 1822, an abdication in 1831, and a regency period marked by regional revolts that destabilized the currency. Pedro II had only assumed full imperial powers in 1840 at age fourteen, and this issue was among the earliest gold coinage struck under his personal reign. The Rio de Janeiro mint was the sole domestic producer, though Brazilian gold itself came largely from Minas Gerais, by then well past its eighteenth-century peak output.

KM#457 spans eight years of production with no recorded mintage breakdowns by individual year, making date-specific population estimates unreliable.