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6400 Réis - João VI
| Issuer | Casa da Moeda do Rio de Janeiro |
|---|---|
| Year | 1818-1822 |
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| Composition | Log in to see details |
| Weight | 14.34 g |
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| Obverse description | Log in to see details |
|---|---|
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| Obverse lettering | JOANNES·VI·D·G·PORT· BRAS·ET·ALG·REX· 1818·R· |
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| Reverse script | Latin |
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| Additional information |
The 6400 réis was Brazil's highest-denomination gold coin and the workhorse of long-distance colonial commerce, frequently used to settle debts with British merchants under the trade agreements that followed the 1808 opening of Brazilian ports. João VI had fled Lisbon ahead of Napoleon's invasion, and the Rio mint — elevated to full royal status upon his arrival — began producing crown-quality gold coinage almost immediately, transforming what had been a colonial outpost into the seat of the Portuguese Empire.
Dies for this series are known to vary considerably across the run, with later strikes from 1821–1822 reflecting the political turbulence preceding João's reluctant return to Lisbon in April 1822.