CoinWorldTV 1817, Prussia, Frederick William III. Large Silver Thaler Coin. Mint Year: 1817 Reference: KM-396. Mint Place: Berlin (A) Weight: 21.94gm Diameter: 34mm Material: Silver Obverse: Uniformed bust of Frederick William III left. Legend: FRIEDR. WILHELM III KOENIG VON PREUSSEN Reverse: Crowned eagle on fallen and armory trophies. Date and mint inital below. Legend: EIN THALE ...