Brazil 640 Réis - Maria I and Pedro III, 1778 – 1784
Low and High Crowns; Lisbon Mint
Information
Country
Brazil
Brazil
Currency
Real
(1654 – 1799)
Coin type
Standard circulation coin
Denomination
640 Réis - Maria I and Pedro III
Year
1778 – 1784
Ruler
Maria I
(1777–1799)
Composition
Silver (.917)
Shape
Round
Alignment
Medal alignment ↑↑
Technique
Milled
Weight (g)
17.78
Diameter (mm)
36
Thickness (mm)
2
Demonetized
Yes
Description
640 Réis - Maria I and Pedro III from Brazil. Issued from 1778 to 1784. Struck in Silver (.917). Measures 36 mm and weighs 17.78 g.
- Obverse
- Crowned portuguese arms flanked by value 640 and three flowers, and date. (Maria I and Pedro III, by the Grace of God, Regents of Portugal and Lords of Brazil.)
- Reverse
- An armillary sphere in front of the Order of Christ cross, without mintmark.
- Edge
- Reeded.
Mintage & Variants
| Date | Mintage | Comment | Frequency | |
|---|---|---|---|---|
| 1784 | 25K | KM#207.2; Bentes 264.05 (High Crown) | ||
| 1783 | 31K | KM#207.1; Bentes 263.06 (Low Crown) | ||
| 1783 | — | KM#207.2; Bentes 264.04 (High Crown) | ||
| 1782 | 16.3K | KM#207.1; Bentes 263.05 (Low Crown) | ||
| 1781 | 31K | KM#207.1; Bentes 263.04 (Low Crown) | ||
| 1781 | — | KM#207.2; Bentes 264.03 (High Crown) | ||
| 1780 | 39K | KM#207.1; Bentes 263.03 (Low Crown) | ||
| 1780 | — | KM#207.2; Bentes 264.01-02 (High Crown); (See Comments). | ||
| 1779 | 18.8K | KM#207.1; Bentes 263.02 (Low Crown) | ||
| 1778 | 19.8K | KM#207.1; Bentes 263.01 (Low Crown) |
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