XX Réis `Vintem` - João IV Lisboa mint
€367,513.00
| Issuer | Portugal |
| Year | 1641 |
| Type | Standard circulation coin |
| Value | 20 Réis (Reais) |
| Currency | Real (1517-1835) |
| Composition | Silver (.9167) |
| Weight | 1.64 g |
| Dimensions | 16.6 mm |
| Thickness | |
| Shape and Technique | Round (irregular) Hammered |
| Orientation | Variable alignment ↺ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | Gomes#J4 10, KM#32 |