| Issuer | Monaco |
| Year | 1878-1879 |
| Type | Standard circulation coin |
| Value | 20 Francs |
| Currency | Ancien franc (1837-1960) |
| Composition | Gold (.900) |
| Weight | 6.45 g |
| Dimensions | 21 mm |
| Thickness | |
| Shape and Technique | Round Milled |
| Orientation | Coin alignment ↑↓ |
| Engraver(s) | Hubert Ponscarme |
| In circulation to | |
| Reference(s) | KM#98, Gad#MC120 |
| Obverse description | Effigy of prince Charles III facing right |
| Obverse script | Latin |
| Obverse lettering | CHARLES III PRINCE DE MONACO PONSCARME A |
| Reverse description | Coat of arms of Monaco, date below |
| Reverse script | Latin |
| Reverse lettering | VINGT FRANCS 1878 |
| Edge | Reeded |
| Mint | A Monnaie de Paris, Paris (and Pessac starting 1973), France (864-date) |
| Mintage | 1878 A - variants 7 low and 7 high - 50 000 1879 A - variants simple anchor and crossed anchor - 50 000 |
| Catalog ID | 1565873350 |
| Comments |
