Brazil 1770-R 6400 reis

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photo courtesy Ponterio & Associates

This type was struck between 1751 and 1777 in Rio de Janeiro and features the bust of José I, king of Portugal 1750-77. While the 6400 réis is relatively available, its fractions (3200 réis, 1600 réis and 800 réis) are much scarcer. This type was also struck in Bahia (KM 172.1) during this period. This coin was called the "joe" in English speaking countries. This specimen was lot 490 in Ponterio sale 145.

Spanish colonial 4 escudos of this period were 13.54 g, .917 fine gold, .399 troy oz AGW and traded for nearly the same value.

Recorded mintage: 365,000.

Specification: 14.34 g, .917 fine gold, .422 troy oz AGW.

Catalog reference: KM 172.2, Friedberg 65.

Source:

  • Michael, Thomas, Standard Catalog of World Coins, 1701-1800, 7th ed., Iola, WI: Krause Publications, 2016.
  • Friedberg, Arthur L. and Ira S. Friedberg, Gold Coins of the World, From Ancient Times to the Present, 7th ed., Clifton, NJ: Coin and Currency Institute, 2003.
  • Pimentel, Alvaro Mendes, Catálogo de Moedas Brasileiras de 1643 a 1962, 9a Ed., Rio de Janeiro, 1962.

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