Brazil 1800-R 640 reis

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Heritage sale 3009, lot 20464
image courtesy Heritage Auction Galleries

This silver 640 réis was minted at the Rio mint 1791-1802. 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. Many are priced very low in the SCWC but remain very hard to find. The specimen was lot 20464 in Heritage sale 3009 (Chicago, April 2010), where it sold for $9,775. The catalog description[1] noted, "Maria I 640 Reis 1800R 'Inverted Reverse', nice XF with old cabinet patina. Strong, even strike. This specimen features a coin alignment as opposed to the regular medallic axis of the issue. Extremely rare and popular with Brazilian collectors." The SCWC lists 1794-R, 1800-R and 1802-R as common for the type, which was also produced at Bahia (KM 231.2).

Recorded mintage: 56,128,000 (likely a misprint for 56,128).

Specification: 17.76 g, .917 fine silver, .523 troy oz ASW.

Catalog reference: KM 222.2 variety unlisted, Russo 383A.

Source:

  • 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.
  • Amato, Claudio, Irlei S. Neves and Arnaldo Russo, Livro das Moedas do Brasil, 12a ed. Sao Paulo, 2008.
  • Alberto Gomes and Francisco Antonio Magro, Moedas Portuguesas e do Território Que Hoje é Portugal: Catálogo das Moedas Cunhadas para o Continentes e Ilhas Adjacentes, para os Territórios do Ultramar e Grão-Mestres Portugueses da Ordem de Malta, 6ª Edição, Lisbon: Associação Numismática de Portugal, 2013.
  • [1]Tucker, Warren, and Scott Cordry, Heritage Signature Auction 3009: World Coins, Dallas, TX: Heritage Auction Galleries, 2010.

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