Brazil 1827-R 640 reis

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Heritage sale 3009, lot 20536
image courtesy Heritage Auction Galleries

This silver 640 réis was minted at the Rio mint 1824-27. These coins would have traded in the 18th century as two-thirds of a Spanish dollar. In 1768 the weight of this denomination was lowered from 19.32 grams to 17.80 grams. Earlier silver 640 réis are known, starting in 1695. Of this type, the 1824 and 1825 are reasonably available. The specimen was lot 20536 in Heritage sale 3009 (Chicago, April 2010), where it sold for $4,887.50. The catalog description[1] noted, "Pedro I 640 Reis 1827R, XF, nice, original gray patina, with slightly soft strike around the obverse periphery. A very rare, seldom offered issue."

Recorded mintage: 9,472 for 1826-27.

Specification: 17.92 g, .917 fine silver, .528 troy oz ASW.

Catalog reference: KM 367, Russo 503.

Source:

  • 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.
  • [1]Tucker, Warren, and Scott Cordry, Heritage Signature Auction 3009: World Coins, Dallas, TX: Heritage Auction Galleries, 2010.

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