| Obverse description | Portrait of Rainier III to right. |
| Obverse script | Latin |
| Obverse lettering | RAINIER III PRINCE DE MONACO
R.COCHET
· 1960 · (Translation: Rainier III, Prince of Monaco) |
| Reverse description | Crown and Grimaldi arms, value on left. |
| Reverse script | Latin |
| Reverse lettering | DEO JUVANTE
1 ESSAI FR (Translation: With the Help of God Trial 1 Franc) |
| Edge | Reeded |
| Mint | Monnaie de Paris, Paris (and Pessac starting 1973), France (864-date) |
| Mintage | 1960 - - 500 |
| Catalog ID | 9024308920 |
| Comments |