XXXX Reais 'Real Português' - João III Crown with 'o 'at right, Porto
€1.00
| Issuer | Portugal |
| Year | 1538-1555 |
| Type | Standard circulation coin |
| Value | Real Português (40) |
| Currency | Real (1517-1835) |
| Composition | Silver (.9167) |
| Weight | 3.4 g |
| Dimensions | 27 mm |
| Thickness | |
| Shape and Technique | Round (irregular) Hammered |
| Orientation | Variable alignment ↺ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | Gomes#J3 83 |