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640 Réis - João V
🇧🇷 Brazil · 640 R · 1994–Present
| Weight | 19.32 g |
| Diameter | 37 mm |
| Alignment | ↑↑ Medal |
| Composition | 91.70% Silver, 8.30% Copper |
| Melt value | — |
| Ruler | João V |
| Reference | KM# 158.1 |
| Collector's Key World ID | CKW-BRA-119 |
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Varieties & References
No additional varieties recorded.
External references
Frequently Asked QuestionsFAQ
What is a 1748 Brazil 640 R made of?
91.7% Silver, 8.3% Copper, weighing 19.32 g.
What is the melt value of a 1748 Brazil 640 R?
Its melt value is its metal content multiplied by the current spot price. See our melt calculator on the metals pages for a live figure.
Is the 1748 Brazil 640 R a key date?
It's a more common issue overall, though scarcer varieties may carry a premium — see the varieties list.
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