| Obverse description | Coat of arms of Portugal, baroque style, crowned |
| Obverse script | Latin |
| Obverse lettering | JOANNES. DEI GRATIA |
| Reverse description | X in the middle of the date surrounded by a wreath of laurel branches, legend at the edge |
| Reverse script | Latin |
| Reverse lettering | PORTUGALIÆ·ET·ALGARBIORUMPREGENS 18X12 |
| Edge | Smooth |
| Mint | |
| Mintage | 1812 - Large crown variety exists - 332 000 1813 - Large crown variety exists - 276 000 |
| Catalog ID | 6509240810 |
| Comments |