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640 Réis - João Prince Regent

Issuer Casa da Moeda do Brasil
Year 1809-1816
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Currency Real (1799-1942)
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Mint Bahia Mint / Rio de Janeiro Mint / Vila Rica Mint
Mintage 1809 B - KM#256.1 (Bahia) - 253,635
1809 R - KM#256.2 (Rio de Janeiro) - 21,525
1810 B - KM#256.1 (Bahia) - 74,507
1810 M - KM#256.3 (Vila Rica) -
1811 M - KM#256.3 (Vila Rica) -
1811 R - KM#256.2 (Rio de Janeiro) - 7,925
1812 M - KM#256.3 (Vila Rica) -
1812 R - KM#256.2 (Rio de Janeiro) - 46,537
1813 M - KM#256.3 (Vila Rica) -
1813 R - KM#256.2 (Rio de Janeiro) - 18,906
1814 R - KM#256.2 (Rio de Janeiro) - 1,049
1815 R - KM#256.2 (Rio de Janeiro) - 7,229
1816 B - KM#256.1 (Bahia) -
1816 M - KM#256.3 (Vila Rica) -
1816 R - KM#256.2 (Rio de Janeiro) - 9,276
Additional information

João VI fled Lisbon for Rio de Janeiro in 1807 ahead of Napoleon's invasion, and the transfer of the Portuguese court to Brazil forced an immediate rethinking of colonial monetary infrastructure. The Casa da Moeda do Brasil was elevated almost overnight from a peripheral operation to the effective mint of a functioning monarchy in exile. This 640 réis denomination was among the first emissions to reflect that new political reality, struck under the title of Prince Regent before João formally assumed the kingship in 1816 following his mother Maria I's death.

The .917 fine silver content places these squarely in the tradition of Portuguese colonial coinage, though striking quality varies considerably across the issue's seven-year run.

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