Brazil 1820-R 6400 reis
This specimen was lot 23977 in Heritage sale 3026 (Long Beach, October 2013), where it sold for $4,993.75. The catalog description noted, "João VI gold 6400 Reis 1820-R, AU Details - Repaired NGC. Seems to be ex-jewelry with mount removed at 12 o'clock. a classic rarity from the last days of colonial Brazil. From The RLM Collection, Part II." The type was struck 1818-22 with the portrait of João as king. All the dates are scarce to rare.
Recorded mintage: 3,286.
Specification: 14.34 g, .917 fine gold, .423 troy oz AGW.
Catalog reference: KM 328, Russo-589, Gomes-19.04.
- Cuhaj, George S., and Thomas Michael, Standard Catalog of World Coins, 1801-1900, 7th ed., Iola, WI: Krause Publications, 2012.
- 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.
- 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.