Untitled Document 1805, Kingdom of Naples, Ferdinand IV. Large Silver 120 Grana (Piastra) Coin. Mint Year: 1805 Mint Place: Naples Denomination: 120 Grana (Piastra) References: Davenport 162, KM-246. R! Mint Master: Luigi Diodati (L-D, 1804-1805) Material: Silver (.833) Weight: 27.39gm Diameter: 39mm Obverse: Draped bust of Ferdinand IV with long hair falling on shoulders. ...