CoinWorldTV 1784, Vatican, Pope Pius VI. Scarce Gold 15 Paoli (½ Doppia) Coin. Mint Year: 1784 Region: Papal States Denomination: 15 Paoli (½ Doppia) Reference: Friedberg 247, KM-1050 Material: Pure Gold! Diameter: 20mm Weight: 2.65gm Obverse: Nimbate Saint Peter throned in clouds with raised right hand and keys il left hand. Shield with arms of the Pope below. Legend: APOSTOLO P. P ...