Trial proof like in gold of the 10 francs Grimaldi coat of arms
Obverse
Obverse legend
Reverse legend
Reverse
Photo of a coin sold by Heritage Auctions, link to the sale and their website: https://coins.ha.com/itm/monaco/monaco-rainier-iii-gold-proof-essai-10-francs-1966-a-pr69-ultra-cameo-ngc-/a/3067-32045.s?type=acsearch3067.
| N° | Année | G | F | XF 40 | AU 58 | MS 63 | MS 65 | |
|---|---|---|---|---|---|---|---|---|
| 1 | 1966 | - | - | - | - | 2.300 | 2.500 |