Trial piefort in gold of the 20 francs Grimaldi coat of arms

Obverse legend
Reverse legend

Retouched photo of a coin sold by iNumis (modification of the color for a better visual rendering of the original result), link to the sale:, link to their website:

Année G F XF 40 AU 58 MS 63 MS 65
1 1950 - - - 1.500 1.700 1.800