1/2 Real Preto - Duarte I 'P', Porto Mint
€1.00
| Issuer | Portugal |
| Year | 1433-1438 |
| Type | Standard circulation coin |
| Value | 1/2 Real Preto = 1/20 Real Branco (0.05) |
| Currency | Real branco (1415-1517) |
| Composition | Copper |
| Weight | 1.1 g |
| Dimensions | 19 mm |
| Thickness | |
| Shape and Technique | Round (irregular) Hammered |
| Orientation | |
| Engraver(s) | |
| In circulation to | |
| Reference(s) | Gomes#Du 01.09 |