20 Réis - José I (Rio de Janeiro and Bahia Mints)

The 20 Réis coin of 1751 was minted during the reign of José I, who ascended to the Portuguese throne in 1750. These copper coins were essential components of the colonial monetary system in Brazil, produced specifically at the Rio de Janeiro and Bahia mints to address a persistent shortage of small-denomination currency in the region. Their creation was part of a broader administrative effort to standardize coinage across the Portuguese Empire, facilitating local trade and day-to-day transactions in a burgeoning colonial economy.

The design of these coins features the crowned shield of Portugal on the obverse, reflecting the authority of the House of Braganza, while the reverse displays the denomination flanked by the date. The aesthetic follows the traditional utilitarian style of 18th-century Portuguese copper coinage, characterized by bold lettering and a sturdy, functional appearance. While these coins were minted in significant quantities to circulate heavily, they were received as fundamental tools of commerce, serving as the backbone of the Brazilian domestic market long before the nation achieved independence.