1 franc, aluminium, Armorial bearings of Monaco

Obverse

Obverse legend

Reverse legend

Reverse

Retouched photo of a coin sold by cgb.fr (erasure the word ''essai'' for a better visual rendering of the original result), link to the sale: https://www.acsearch.info/search.html?id=3815799, link to their website: https://www.cgbfr.com/.