Brazil 1760-R 6400 reis
This specimen was lot 23819 in Heritage sale 3026 (Long Beach, October 2013), where it sold for $1,057.50. The catalog description noted, "Jose I gold 6400 Reis 1760-R, AU58 NGC. An attractive example with frosty luster throughout. Several streaks on the reverse are the result of improper alloy mixture. From The RLM Collection, Part II." This type was struck 1751-77 from Rio (shown here) and Bahia and is among the more available colonial gold coins of Brazil.
Recorded mintage: 586,000.
Specification: 14.34 g, .917 fine gold, .423 troy oz AGW.
Catalog reference: KM 172.2, Russo-428, Gomes-55.12.
- Bierrenbach, Cristiano, Warren Tucker and Scott Cordry, Heritage Signature Auction 3026, World & Ancient Coins, featuring the RLM Collection, Part Two, the Nogales Collection and the Goetz Medals Die Archive, Dallas, TX: Heritage Auction Galleries, 2013.
- 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.
- Krause, Chester L., and Colin R. Bruce II, Standard Catalog of World Coins: Spain, Portugal and the New World, Iola, WI: Krause Publications, 2002.
- Pimentel, Alvaro Mendes, Catálogo de Moedas Brasileiras de 1643 a 1962, 9a Ed., Rio de Janeiro, 1962.