| Obverse description | Coat of arms of Sealand, denomination below and date above. |
| Obverse script | Latin |
| Obverse lettering | PRINCIPALITY OF SEALAND 1977 E MARE LIBERTAS • TEN 10 SEALAND DOLLARS • |
| Reverse description | Prince Roy facing left. |
| Reverse script | Latin |
| Reverse lettering | ROY OF SEALAND |
| Edge | Reeded or plain, see year list |
| Mint | |
| Mintage | 1977 - X#4.1 - Proof; plain edge - 25 1977 - X#4.2 - Proof; reeded edge - 2 000 |
| Catalog ID | 2577562990 |
| Comments |