CoinWorldTV 1736, Kingdom of Naples, Charles III of Spain. Silver ½ Piastra (60 Grana) “Volcano” Coin. Mint Year: 1736 Mint Place: Naples Ruler: Charles III of Spain Reference: MIR 338/3, KM-C#19. Denomination: 60 Grana (½ Piastra) Weight: 12.33gm Diameter: 34mm Material: Silver Obverse: River god reclining right and pouring water from a vessel (symbol for the river) ...