| Issuer | Brazil |
| Year | 1778-1784 |
| Type | Standard circulation coins |
| Value | 640 Réis |
| Currency | Real (1654-1799) |
| Composition | Silver (.917) |
| Weight | 17.78 g |
| Dimensions | 36 mm |
| Thickness | 2 mm |
| Shape and Technique | Round Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | KM#207, Bentes#263; 264 |
| Obverse description | Crowned portuguese arms flanked by value 640 and three flowers, and date. |
| Obverse script | Latin |
| Obverse lettering | MARIA·I·ET·PETRUS·III·D·G·PORT·REGES·ET·BRAS·D·
17 80
·640· (Translation: Maria I and Pedro III, by the Grace of God, Regents of Portugal and Lords of Brazil.) |
| Reverse description | An armillary sphere in front of the Order of Christ cross, without mintmark. |
| Reverse script | Latin |
| Reverse lettering | SUBQ. SIGN. NATA. STAB. |
| Edge | Reeded. |
| Mint | |
| Mintage | 1778 - KM#207.1; Bentes 263.01 (Low Crown) - 19 756 1779 - KM#207.1; Bentes 263.02 (Low Crown) - 18 750 1780 - KM#207.1; Bentes 263.03 (Low Crown) - 39 000 1780 - KM#207.2; Bentes 264.01-02 (High Crown); (See Comments). - 1781 - KM#207.1; Bentes 263.04 (Low Crown) - 31 000 1781 - KM#207.2; Bentes 264.03 (High Crown) - 1782 - KM#207.1; Bentes 263.05 (Low Crown) - 16 250 1783 - KM#207.1; Bentes 263.06 (Low Crown) - 31 000 1783 - KM#207.2; Bentes 264.04 (High Crown) - 1784 - KM#207.2; Bentes 264.05 (High Crown) - 25 000 |
| Catalog ID | 8409646200 |
| Comments |
