20 Réis - Luis I Countermark `BIG CROWN` over `20 Réis - João VI, São Tomé and Prinicipe`
€102,854.00
| Issuer | Azores |
| Year | 1871 |
| Type | Standard circulation coins |
| Value | 20 Réis |
| Currency | Azores-Real - Countermark Big Crown (1871) |
| Composition | Copper |
| Weight | 4.3 g |
| Dimensions | 25 mm |
| Thickness | |
| Shape and Technique | Round Countermarked |
| Orientation | |
| Engraver(s) | |
| In circulation to | |
| Reference(s) |