1 Real of 10 Reais Brancos- João I Porto mint
€351,214.00
| Issuer | Portugal |
| Year | 1415-1433 |
| Type | Standard circulation coin |
| Value | 1 Real = 10 Reais brancos |
| Currency | Real branco (1415-1517) |
| Composition | Silver (.833) |
| Weight | 3.2 g |
| Dimensions | 26 mm |
| Thickness | |
| Shape and Technique | Round (irregular) Hammered |
| Orientation | |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | Gomes#J1 61 |