Brazil 1828-R 20 reis

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with 1835 countermark
from the Mountain Groan Collection

This specimen was struck for Brazil at the Rio mint in 1831. It may be a counterfeit. The minting of copper twenty réis began in 1693 and continued until 1832, well after independence. The twenty réis was the same size as that of the old ten réis. The genuine type was struck at Bahia 1825-30 and Rio 1823-30. Counterfeits are numerous, particularly of the Bahia issues, which were cruder than Rio issues.

By the 1830's, so many had been issued that the public began to refuse them. In 1835, the government called them in and countermarked them to half their former value to increase their acceptance. Private and counterfeit countermarks also exist, making this series confusing but fascinating to collect.

Recorded mintage: 4,474,000.

Specification: copper.

Catalog reference: KM 360.1 (without countermark), KM 423.1 (with coutermark).


  • Cuhaj, George S., and Thomas Michael, Standard Catalog of World Coins, 1801-1900, 7th ed., Iola, WI: Krause Publications, 2012.
  • Pimentel, Alvaro Mendes, Catálogo de Moedas Brasileiras de 1643 a 1962, 9a Ed., Rio de Janeiro, 1962.
  • Amato, Claudio, Irlei S. Neves and Arnaldo Russo, Livro das Moedas do Brasil, 12a ed. Sao Paulo, 2008.

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