| Obverse description | Crowned imperial eagle in oval baroque frame, date at end of legend. |
| Obverse script | Latin |
| Obverse lettering | FERDINAN. III. D. G. ROM. IMP. SEM. AU. |
| Reverse description | 5-line inscription in ornamented square. |
| Reverse script | Latin |
| Reverse lettering | DUCATUS / NOVUS: / REIPUBL / BRUNSUI / CENSIS: |
| Edge | |
| Mint | |
| Mintage | 1638 - - 1639 - - 1640 - - 1641 - - 1642 - - 1643 - - 1646 - - 1647 - - 1648 HB - - 1649 HB - - |
| Catalog ID | 7746814440 |
| Comments |