1000 Réis - João IV Countermark `1U` over 500 Reais - Sebastião I
€102,456.00
| Issuer | Portugal |
| Year | 1645 |
| Type | Standard circulation coins |
| Value | 1000 Réis (Reais) |
| Currency | Real (1517-1835) |
| Composition | Gold (.9219) |
| Weight | 3.8 g |
| Dimensions | 24 mm |
| Thickness | |
| Shape and Technique | Round Hammered, Countermarked |
| Orientation | |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | Gomes#J4 122 |