Brazil 1812-M 320 reis

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Heritage sale 3009, lot 20487
image courtesy Heritage Auction Galleries

This silver 320 réis was minted at the Minas Gerais mint during 1812-16. This coin would have traded in the 18th century as one-third of a Spanish dollar. The 320 réis is half the size of the more common 640 réis. In 1768 the weight of this denomination was lowered from 9.66 grams to 8.90 grams. Earlier silver 320 réis are known, starting in 1695. Many are priced very low in the SCWC but all silver issues of Minas Gerais very rare. The specimen was lot 20487 in Heritage sale 3009 (Chicago, April 2010), where it sold for $2,875. The catalog description[1] noted, "João Prince Regent 320 Reis 1812M, toned VF, slightly crude, scarce type and grade."

Recorded mintage: unknown.

Specification: 8.96 g, .917 fine silver, .262 troy oz ASW.

Catalog reference: KM 255.3, Russo 430.

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.
  • 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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