| Obverse description | Portrait of Prince Rainier III to the left. |
| Obverse script | Latin |
| Obverse lettering | RAINIER III PRINCE DE MONACO
P. TURIN
1950 (Translation: Rainier III, Prince of Monaco) |
| Reverse description | Coat of arms of the Principality of Monaco crowned. |
| Reverse script | Latin |
| Reverse lettering | 20 FRS
ESSAI
DEO JUVANTE (Translation: 20 Francs With God`s help) |
| Edge | Plain |
| Mint | Monnaie de Paris, Paris (and Pessac starting 1973), France (864-date) |
| Mintage | 1950 - - 500 |
| Catalog ID | 8527123390 |
| Comments |